38938480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2243}}^1$

素因数の和:2294

約数の個数: 80

約数和(自身を含む): 106850304

約数和(自身を除く): 67911824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2243, 2480, 3472, 4340, 4486, 8680, 8972, 11215, 15701, 17360, 17944, 22430, 31402, 35888, 44860, 62804, 69533, 78505, 89720, 125608, 139066, 157010, 179440, 251216, 278132, 314020, 347665, 486731, 556264, 628040, 695330, 973462, 1112528, 1256080, 1390660, 1946924, 2433655, 2781320, 3893848, 4867310, 5562640, 7787696, 9734620, 19469240, 38938480]

約数ペア:

[(1, 38938480), (2, 19469240), (4, 9734620), (5, 7787696), (7, 5562640), (8, 4867310), (10, 3893848), (14, 2781320), (16, 2433655), (20, 1946924), (28, 1390660), (31, 1256080), (35, 1112528), (40, 973462), (56, 695330), (62, 628040), (70, 556264), (80, 486731), (112, 347665), (124, 314020), (140, 278132), (155, 251216), (217, 179440), (248, 157010), (280, 139066), (310, 125608), (434, 89720), (496, 78505), (560, 69533), (620, 62804), (868, 44860), (1085, 35888), (1240, 31402), (1736, 22430), (2170, 17944), (2243, 17360), (2480, 15701), (3472, 11215), (4340, 8972), (4486, 8680)]