388186960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{379}}^1$

素因数の和:489

約数の個数: 160

約数和(自身を含む): 1085644800

約数和(自身を除く): 697457840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 59, 62, 70, 80, 112, 118, 124, 140, 155, 217, 236, 248, 280, 295, 310, 379, 413, 434, 472, 496, 560, 590, 620, 758, 826, 868, 944, 1085, 1180, 1240, 1516, 1652, 1736, 1829, 1895, 2065, 2170, 2360, 2480, 2653, 3032, 3304, 3472, 3658, 3790, 4130, 4340, 4720, 5306, 6064, 6608, 7316, 7580, 8260, 8680, 9145, 10612, 11749, 12803, 13265, 14632, 15160, 16520, 17360, 18290, 21224, 22361, 23498, 25606, 26530, 29264, 30320, 33040, 36580, 42448, 44722, 46996, 51212, 53060, 58745, 64015, 73160, 82243, 89444, 93992, 102424, 106120, 111805, 117490, 128030, 146320, 156527, 164486, 178888, 187984, 204848, 212240, 223610, 234980, 256060, 313054, 328972, 357776, 411215, 447220, 469960, 512120, 626108, 657944, 693191, 782635, 822430, 894440, 939920, 1024240, 1252216, 1315888, 1386382, 1565270, 1644860, 1788880, 2504432, 2772764, 3130540, 3289720, 3465955, 4852337, 5545528, 6261080, 6579440, 6931910, 9704674, 11091056, 12522160, 13863820, 19409348, 24261685, 27727640, 38818696, 48523370, 55455280, 77637392, 97046740, 194093480, 388186960]

約数ペア:

[(1, 388186960), (2, 194093480), (4, 97046740), (5, 77637392), (7, 55455280), (8, 48523370), (10, 38818696), (14, 27727640), (16, 24261685), (20, 19409348), (28, 13863820), (31, 12522160), (35, 11091056), (40, 9704674), (56, 6931910), (59, 6579440), (62, 6261080), (70, 5545528), (80, 4852337), (112, 3465955), (118, 3289720), (124, 3130540), (140, 2772764), (155, 2504432), (217, 1788880), (236, 1644860), (248, 1565270), (280, 1386382), (295, 1315888), (310, 1252216), (379, 1024240), (413, 939920), (434, 894440), (472, 822430), (496, 782635), (560, 693191), (590, 657944), (620, 626108), (758, 512120), (826, 469960), (868, 447220), (944, 411215), (1085, 357776), (1180, 328972), (1240, 313054), (1516, 256060), (1652, 234980), (1736, 223610), (1829, 212240), (1895, 204848), (2065, 187984), (2170, 178888), (2360, 164486), (2480, 156527), (2653, 146320), (3032, 128030), (3304, 117490), (3472, 111805), (3658, 106120), (3790, 102424), (4130, 93992), (4340, 89444), (4720, 82243), (5306, 73160), (6064, 64015), (6608, 58745), (7316, 53060), (7580, 51212), (8260, 46996), (8680, 44722), (9145, 42448), (10612, 36580), (11749, 33040), (12803, 30320), (13265, 29264), (14632, 26530), (15160, 25606), (16520, 23498), (17360, 22361), (18290, 21224)]