204789820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:359

約数の個数: 96

約数和(自身を含む): 476195328

約数和(自身を除く): 271405508

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 73, 74, 85, 146, 148, 170, 185, 223, 292, 340, 365, 370, 446, 629, 730, 740, 892, 1115, 1241, 1258, 1460, 2230, 2482, 2516, 2701, 3145, 3791, 4460, 4964, 5402, 6205, 6290, 7582, 8251, 10804, 12410, 12580, 13505, 15164, 16279, 16502, 18955, 24820, 27010, 32558, 33004, 37910, 41255, 45917, 54020, 65116, 75820, 81395, 82510, 91834, 140267, 162790, 165020, 183668, 229585, 276743, 280534, 325580, 459170, 553486, 561068, 602323, 701335, 918340, 1106972, 1204646, 1383715, 1402670, 2409292, 2767430, 2805340, 3011615, 5534860, 6023230, 10239491, 12046460, 20478982, 40957964, 51197455, 102394910, 204789820]

約数ペア:

[(1, 204789820), (2, 102394910), (4, 51197455), (5, 40957964), (10, 20478982), (17, 12046460), (20, 10239491), (34, 6023230), (37, 5534860), (68, 3011615), (73, 2805340), (74, 2767430), (85, 2409292), (146, 1402670), (148, 1383715), (170, 1204646), (185, 1106972), (223, 918340), (292, 701335), (340, 602323), (365, 561068), (370, 553486), (446, 459170), (629, 325580), (730, 280534), (740, 276743), (892, 229585), (1115, 183668), (1241, 165020), (1258, 162790), (1460, 140267), (2230, 91834), (2482, 82510), (2516, 81395), (2701, 75820), (3145, 65116), (3791, 54020), (4460, 45917), (4964, 41255), (5402, 37910), (6205, 33004), (6290, 32558), (7582, 27010), (8251, 24820), (10804, 18955), (12410, 16502), (12580, 16279), (13505, 15164)]