398447280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7187}}^1$

素因数の和:7224

約数の個数: 240

約数和(自身を含む): 1668536064

約数和(自身を除く): 1270088784

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 165, 168, 176, 180, 198, 210, 220, 231, 240, 252, 264, 280, 308, 315, 330, 336, 360, 385, 396, 420, 440, 462, 495, 504, 528, 560, 616, 630, 660, 693, 720, 770, 792, 840, 880, 924, 990, 1008, 1155, 1232, 1260, 1320, 1386, 1540, 1584, 1680, 1848, 1980, 2310, 2520, 2640, 2772, 3080, 3465, 3696, 3960, 4620, 5040, 5544, 6160, 6930, 7187, 7920, 9240, 11088, 13860, 14374, 18480, 21561, 27720, 28748, 35935, 43122, 50309, 55440, 57496, 64683, 71870, 79057, 86244, 100618, 107805, 114992, 129366, 143740, 150927, 158114, 172488, 201236, 215610, 237171, 251545, 258732, 287480, 301854, 316228, 323415, 344976, 395285, 402472, 431220, 452781, 474342, 503090, 517464, 553399, 574960, 603708, 632456, 646830, 711513, 754635, 790570, 804944, 862440, 905562, 948684, 1006180, 1034928, 1106798, 1185855, 1207416, 1264912, 1293660, 1423026, 1509270, 1581140, 1660197, 1724880, 1811124, 1897368, 2012360, 2213596, 2263905, 2371710, 2414832, 2587320, 2766995, 2846052, 3018540, 3162280, 3320394, 3557565, 3622248, 3794736, 4024720, 4427192, 4527810, 4743420, 4980591, 5174640, 5533990, 5692104, 6037080, 6324560, 6640788, 7115130, 7244496, 8300985, 8854384, 9055620, 9486840, 9961182, 11067980, 11384208, 12074160, 13281576, 14230260, 16601970, 18111240, 18973680, 19922364, 22135960, 24902955, 26563152, 28460520, 33203940, 36222480, 39844728, 44271920, 49805910, 56921040, 66407880, 79689456, 99611820, 132815760, 199223640, 398447280]

約数ペア:

[(1, 398447280), (2, 199223640), (3, 132815760), (4, 99611820), (5, 79689456), (6, 66407880), (7, 56921040), (8, 49805910), (9, 44271920), (10, 39844728), (11, 36222480), (12, 33203940), (14, 28460520), (15, 26563152), (16, 24902955), (18, 22135960), (20, 19922364), (21, 18973680), (22, 18111240), (24, 16601970), (28, 14230260), (30, 13281576), (33, 12074160), (35, 11384208), (36, 11067980), (40, 9961182), (42, 9486840), (44, 9055620), (45, 8854384), (48, 8300985), (55, 7244496), (56, 7115130), (60, 6640788), (63, 6324560), (66, 6037080), (70, 5692104), (72, 5533990), (77, 5174640), (80, 4980591), (84, 4743420), (88, 4527810), (90, 4427192), (99, 4024720), (105, 3794736), (110, 3622248), (112, 3557565), (120, 3320394), (126, 3162280), (132, 3018540), (140, 2846052), (144, 2766995), (154, 2587320), (165, 2414832), (168, 2371710), (176, 2263905), (180, 2213596), (198, 2012360), (210, 1897368), (220, 1811124), (231, 1724880), (240, 1660197), (252, 1581140), (264, 1509270), (280, 1423026), (308, 1293660), (315, 1264912), (330, 1207416), (336, 1185855), (360, 1106798), (385, 1034928), (396, 1006180), (420, 948684), (440, 905562), (462, 862440), (495, 804944), (504, 790570), (528, 754635), (560, 711513), (616, 646830), (630, 632456), (660, 603708), (693, 574960), (720, 553399), (770, 517464), (792, 503090), (840, 474342), (880, 452781), (924, 431220), (990, 402472), (1008, 395285), (1155, 344976), (1232, 323415), (1260, 316228), (1320, 301854), (1386, 287480), (1540, 258732), (1584, 251545), (1680, 237171), (1848, 215610), (1980, 201236), (2310, 172488), (2520, 158114), (2640, 150927), (2772, 143740), (3080, 129366), (3465, 114992), (3696, 107805), (3960, 100618), (4620, 86244), (5040, 79057), (5544, 71870), (6160, 64683), (6930, 57496), (7187, 55440), (7920, 50309), (9240, 43122), (11088, 35935), (13860, 28748), (14374, 27720), (18480, 21561)]