221785830

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2729}}^1$

素因数の和:2795

約数の個数: 128

約数和(自身を含む): 691891200

約数和(自身を除く): 470105370

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 43, 45, 54, 63, 70, 86, 90, 105, 126, 129, 135, 189, 210, 215, 258, 270, 301, 315, 378, 387, 430, 602, 630, 645, 774, 903, 945, 1161, 1290, 1505, 1806, 1890, 1935, 2322, 2709, 2729, 3010, 3870, 4515, 5418, 5458, 5805, 8127, 8187, 9030, 11610, 13545, 13645, 16254, 16374, 19103, 24561, 27090, 27290, 38206, 40635, 40935, 49122, 57309, 73683, 81270, 81870, 95515, 114618, 117347, 122805, 147366, 171927, 191030, 234694, 245610, 286545, 343854, 352041, 368415, 515781, 573090, 586735, 704082, 736830, 821429, 859635, 1031562, 1056123, 1173470, 1642858, 1719270, 1760205, 2112246, 2464287, 2578905, 3168369, 3520410, 4107145, 4928574, 5157810, 5280615, 6336738, 7392861, 8214290, 10561230, 12321435, 14785722, 15841845, 22178583, 24642870, 31683690, 36964305, 44357166, 73928610, 110892915, 221785830]

約数ペア:

[(1, 221785830), (2, 110892915), (3, 73928610), (5, 44357166), (6, 36964305), (7, 31683690), (9, 24642870), (10, 22178583), (14, 15841845), (15, 14785722), (18, 12321435), (21, 10561230), (27, 8214290), (30, 7392861), (35, 6336738), (42, 5280615), (43, 5157810), (45, 4928574), (54, 4107145), (63, 3520410), (70, 3168369), (86, 2578905), (90, 2464287), (105, 2112246), (126, 1760205), (129, 1719270), (135, 1642858), (189, 1173470), (210, 1056123), (215, 1031562), (258, 859635), (270, 821429), (301, 736830), (315, 704082), (378, 586735), (387, 573090), (430, 515781), (602, 368415), (630, 352041), (645, 343854), (774, 286545), (903, 245610), (945, 234694), (1161, 191030), (1290, 171927), (1505, 147366), (1806, 122805), (1890, 117347), (1935, 114618), (2322, 95515), (2709, 81870), (2729, 81270), (3010, 73683), (3870, 57309), (4515, 49122), (5418, 40935), (5458, 40635), (5805, 38206), (8127, 27290), (8187, 27090), (9030, 24561), (11610, 19103), (13545, 16374), (13645, 16254)]