211179640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9547}}^1$

素因数の和:9644

約数の個数: 64

約数和(自身を含む): 549964800

約数和(自身を除く): 338785160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 2212, 2765, 3160, 4424, 5530, 9547, 11060, 19094, 22120, 38188, 47735, 66829, 76376, 95470, 133658, 190940, 267316, 334145, 381880, 534632, 668290, 754213, 1336580, 1508426, 2673160, 3016852, 3771065, 5279491, 6033704, 7542130, 10558982, 15084260, 21117964, 26397455, 30168520, 42235928, 52794910, 105589820, 211179640]

約数ペア:

[(1, 211179640), (2, 105589820), (4, 52794910), (5, 42235928), (7, 30168520), (8, 26397455), (10, 21117964), (14, 15084260), (20, 10558982), (28, 7542130), (35, 6033704), (40, 5279491), (56, 3771065), (70, 3016852), (79, 2673160), (140, 1508426), (158, 1336580), (280, 754213), (316, 668290), (395, 534632), (553, 381880), (632, 334145), (790, 267316), (1106, 190940), (1580, 133658), (2212, 95470), (2765, 76376), (3160, 66829), (4424, 47735), (5530, 38188), (9547, 22120), (11060, 19094)]