247894140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:476

約数の個数: 192

約数和(自身を含む): 807206400

約数和(自身を除く): 559312260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 43, 52, 57, 60, 65, 76, 78, 86, 95, 114, 129, 130, 156, 172, 190, 195, 215, 228, 247, 258, 260, 285, 380, 389, 390, 430, 494, 516, 559, 570, 645, 741, 778, 780, 817, 860, 988, 1118, 1140, 1167, 1235, 1290, 1482, 1556, 1634, 1677, 1945, 2236, 2334, 2451, 2470, 2580, 2795, 2964, 3268, 3354, 3705, 3890, 4085, 4668, 4902, 4940, 5057, 5590, 5835, 6708, 7391, 7410, 7780, 8170, 8385, 9804, 10114, 10621, 11180, 11670, 12255, 14782, 14820, 15171, 16340, 16727, 16770, 20228, 21242, 22173, 23340, 24510, 25285, 29564, 30342, 31863, 33454, 33540, 36955, 42484, 44346, 49020, 50181, 50570, 53105, 60684, 63726, 66908, 73910, 75855, 83635, 88692, 96083, 100362, 101140, 106210, 110865, 127452, 147820, 151710, 159315, 167270, 192166, 200724, 212420, 217451, 221730, 250905, 288249, 303420, 317813, 318630, 334540, 384332, 434902, 443460, 480415, 501810, 576498, 635626, 637260, 652353, 869804, 953439, 960830, 1003620, 1087255, 1152996, 1271252, 1304706, 1441245, 1589065, 1906878, 1921660, 2174510, 2609412, 2882490, 3178130, 3261765, 3813756, 4131569, 4349020, 4767195, 5764980, 6356260, 6523530, 8263138, 9534390, 12394707, 13047060, 16526276, 19068780, 20657845, 24789414, 41315690, 49578828, 61973535, 82631380, 123947070, 247894140]

約数ペア:

[(1, 247894140), (2, 123947070), (3, 82631380), (4, 61973535), (5, 49578828), (6, 41315690), (10, 24789414), (12, 20657845), (13, 19068780), (15, 16526276), (19, 13047060), (20, 12394707), (26, 9534390), (30, 8263138), (38, 6523530), (39, 6356260), (43, 5764980), (52, 4767195), (57, 4349020), (60, 4131569), (65, 3813756), (76, 3261765), (78, 3178130), (86, 2882490), (95, 2609412), (114, 2174510), (129, 1921660), (130, 1906878), (156, 1589065), (172, 1441245), (190, 1304706), (195, 1271252), (215, 1152996), (228, 1087255), (247, 1003620), (258, 960830), (260, 953439), (285, 869804), (380, 652353), (389, 637260), (390, 635626), (430, 576498), (494, 501810), (516, 480415), (559, 443460), (570, 434902), (645, 384332), (741, 334540), (778, 318630), (780, 317813), (817, 303420), (860, 288249), (988, 250905), (1118, 221730), (1140, 217451), (1167, 212420), (1235, 200724), (1290, 192166), (1482, 167270), (1556, 159315), (1634, 151710), (1677, 147820), (1945, 127452), (2236, 110865), (2334, 106210), (2451, 101140), (2470, 100362), (2580, 96083), (2795, 88692), (2964, 83635), (3268, 75855), (3354, 73910), (3705, 66908), (3890, 63726), (4085, 60684), (4668, 53105), (4902, 50570), (4940, 50181), (5057, 49020), (5590, 44346), (5835, 42484), (6708, 36955), (7391, 33540), (7410, 33454), (7780, 31863), (8170, 30342), (8385, 29564), (9804, 25285), (10114, 24510), (10621, 23340), (11180, 22173), (11670, 21242), (12255, 20228), (14782, 16770), (14820, 16727), (15171, 16340)]