38478440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:104

約数の個数: 192

約数和(自身を含む): 120113280

約数和(自身を除く): 81634840

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 31, 35, 40, 44, 52, 55, 56, 62, 65, 70, 77, 88, 91, 104, 110, 124, 130, 140, 143, 154, 155, 182, 217, 220, 248, 260, 280, 286, 308, 310, 341, 364, 385, 403, 434, 440, 455, 520, 572, 616, 620, 682, 715, 728, 770, 806, 868, 910, 961, 1001, 1085, 1144, 1240, 1364, 1430, 1540, 1612, 1705, 1736, 1820, 1922, 2002, 2015, 2170, 2387, 2728, 2821, 2860, 3080, 3224, 3410, 3640, 3844, 4004, 4030, 4340, 4433, 4774, 4805, 5005, 5642, 5720, 6727, 6820, 7688, 8008, 8060, 8680, 8866, 9548, 9610, 10010, 10571, 11284, 11935, 12493, 13454, 13640, 14105, 16120, 17732, 19096, 19220, 20020, 21142, 22165, 22568, 23870, 24986, 26908, 28210, 31031, 33635, 35464, 38440, 40040, 42284, 44330, 47740, 49972, 52855, 53816, 56420, 62062, 62465, 67270, 73997, 84568, 87451, 88660, 95480, 99944, 105710, 112840, 124124, 124930, 134540, 137423, 147994, 155155, 174902, 177320, 211420, 248248, 249860, 269080, 274846, 295988, 310310, 349804, 369985, 422840, 437255, 499720, 549692, 591976, 620620, 687115, 699608, 739970, 874510, 961961, 1099384, 1241240, 1374230, 1479940, 1749020, 1923922, 2748460, 2959880, 3498040, 3847844, 4809805, 5496920, 7695688, 9619610, 19239220, 38478440]

約数ペア:

[(1, 38478440), (2, 19239220), (4, 9619610), (5, 7695688), (7, 5496920), (8, 4809805), (10, 3847844), (11, 3498040), (13, 2959880), (14, 2748460), (20, 1923922), (22, 1749020), (26, 1479940), (28, 1374230), (31, 1241240), (35, 1099384), (40, 961961), (44, 874510), (52, 739970), (55, 699608), (56, 687115), (62, 620620), (65, 591976), (70, 549692), (77, 499720), (88, 437255), (91, 422840), (104, 369985), (110, 349804), (124, 310310), (130, 295988), (140, 274846), (143, 269080), (154, 249860), (155, 248248), (182, 211420), (217, 177320), (220, 174902), (248, 155155), (260, 147994), (280, 137423), (286, 134540), (308, 124930), (310, 124124), (341, 112840), (364, 105710), (385, 99944), (403, 95480), (434, 88660), (440, 87451), (455, 84568), (520, 73997), (572, 67270), (616, 62465), (620, 62062), (682, 56420), (715, 53816), (728, 52855), (770, 49972), (806, 47740), (868, 44330), (910, 42284), (961, 40040), (1001, 38440), (1085, 35464), (1144, 33635), (1240, 31031), (1364, 28210), (1430, 26908), (1540, 24986), (1612, 23870), (1705, 22568), (1736, 22165), (1820, 21142), (1922, 20020), (2002, 19220), (2015, 19096), (2170, 17732), (2387, 16120), (2728, 14105), (2821, 13640), (2860, 13454), (3080, 12493), (3224, 11935), (3410, 11284), (3640, 10571), (3844, 10010), (4004, 9610), (4030, 9548), (4340, 8866), (4433, 8680), (4774, 8060), (4805, 8008), (5005, 7688), (5642, 6820), (5720, 6727)]