28429730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 60963840

約数和(自身を除く): 32534110

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 79, 97, 106, 158, 194, 265, 371, 395, 485, 530, 553, 679, 742, 790, 970, 1106, 1358, 1855, 2765, 3395, 3710, 4187, 5141, 5530, 6790, 7663, 8374, 10282, 15326, 20935, 25705, 29309, 35987, 38315, 41870, 51410, 53641, 58618, 71974, 76630, 107282, 146545, 179935, 268205, 293090, 359870, 406139, 536410, 812278, 2030695, 2842973, 4061390, 5685946, 14214865, 28429730]

約数ペア:

[(1, 28429730), (2, 14214865), (5, 5685946), (7, 4061390), (10, 2842973), (14, 2030695), (35, 812278), (53, 536410), (70, 406139), (79, 359870), (97, 293090), (106, 268205), (158, 179935), (194, 146545), (265, 107282), (371, 76630), (395, 71974), (485, 58618), (530, 53641), (553, 51410), (679, 41870), (742, 38315), (790, 35987), (970, 29309), (1106, 25705), (1358, 20935), (1855, 15326), (2765, 10282), (3395, 8374), (3710, 7663), (4187, 6790), (5141, 5530)]