211391940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 641192832

約数和(自身を除く): 429800892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 73, 85, 102, 146, 167, 170, 204, 219, 255, 289, 292, 334, 340, 365, 438, 501, 510, 578, 668, 730, 835, 867, 876, 1002, 1020, 1095, 1156, 1241, 1445, 1460, 1670, 1734, 2004, 2190, 2482, 2505, 2839, 2890, 3340, 3468, 3723, 4335, 4380, 4964, 5010, 5678, 5780, 6205, 7446, 8517, 8670, 10020, 11356, 12191, 12410, 14195, 14892, 17034, 17340, 18615, 21097, 24382, 24820, 28390, 34068, 36573, 37230, 42194, 42585, 48263, 48764, 56780, 60955, 63291, 73146, 74460, 84388, 85170, 96526, 105485, 121910, 126582, 144789, 146292, 170340, 182865, 193052, 207247, 210970, 241315, 243820, 253164, 289578, 316455, 365730, 414494, 421940, 482630, 579156, 621741, 632910, 723945, 731460, 828988, 965260, 1036235, 1243482, 1265820, 1447890, 2072470, 2486964, 2895780, 3108705, 3523199, 4144940, 6217410, 7046398, 10569597, 12434820, 14092796, 17615995, 21139194, 35231990, 42278388, 52847985, 70463980, 105695970, 211391940]

約数ペア:

[(1, 211391940), (2, 105695970), (3, 70463980), (4, 52847985), (5, 42278388), (6, 35231990), (10, 21139194), (12, 17615995), (15, 14092796), (17, 12434820), (20, 10569597), (30, 7046398), (34, 6217410), (51, 4144940), (60, 3523199), (68, 3108705), (73, 2895780), (85, 2486964), (102, 2072470), (146, 1447890), (167, 1265820), (170, 1243482), (204, 1036235), (219, 965260), (255, 828988), (289, 731460), (292, 723945), (334, 632910), (340, 621741), (365, 579156), (438, 482630), (501, 421940), (510, 414494), (578, 365730), (668, 316455), (730, 289578), (835, 253164), (867, 243820), (876, 241315), (1002, 210970), (1020, 207247), (1095, 193052), (1156, 182865), (1241, 170340), (1445, 146292), (1460, 144789), (1670, 126582), (1734, 121910), (2004, 105485), (2190, 96526), (2482, 85170), (2505, 84388), (2839, 74460), (2890, 73146), (3340, 63291), (3468, 60955), (3723, 56780), (4335, 48764), (4380, 48263), (4964, 42585), (5010, 42194), (5678, 37230), (5780, 36573), (6205, 34068), (7446, 28390), (8517, 24820), (8670, 24382), (10020, 21097), (11356, 18615), (12191, 17340), (12410, 17034), (14195, 14892)]