28993790

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 62208000

約数和(自身を除く): 33214210

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 79, 98, 107, 158, 214, 245, 343, 395, 490, 535, 553, 686, 749, 790, 1070, 1106, 1498, 1715, 2765, 3430, 3745, 3871, 5243, 5530, 7490, 7742, 8453, 10486, 16906, 19355, 26215, 27097, 36701, 38710, 42265, 52430, 54194, 59171, 73402, 84530, 118342, 135485, 183505, 270970, 295855, 367010, 414197, 591710, 828394, 2070985, 2899379, 4141970, 5798758, 14496895, 28993790]

約数ペア:

[(1, 28993790), (2, 14496895), (5, 5798758), (7, 4141970), (10, 2899379), (14, 2070985), (35, 828394), (49, 591710), (70, 414197), (79, 367010), (98, 295855), (107, 270970), (158, 183505), (214, 135485), (245, 118342), (343, 84530), (395, 73402), (490, 59171), (535, 54194), (553, 52430), (686, 42265), (749, 38710), (790, 36701), (1070, 27097), (1106, 26215), (1498, 19355), (1715, 16906), (2765, 10486), (3430, 8453), (3745, 7742), (3871, 7490), (5243, 5530)]