218572010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{863}}^1$

素因数の和:963

約数の個数: 64

約数和(自身を含む): 437944320

約数和(自身を除く): 219372310

約数列:

[1, 2, 5, 10, 19, 31, 38, 43, 62, 86, 95, 155, 190, 215, 310, 430, 589, 817, 863, 1178, 1333, 1634, 1726, 2666, 2945, 4085, 4315, 5890, 6665, 8170, 8630, 13330, 16397, 25327, 26753, 32794, 37109, 50654, 53506, 74218, 81985, 126635, 133765, 163970, 185545, 253270, 267530, 371090, 508307, 705071, 1016614, 1150379, 1410142, 2300758, 2541535, 3525355, 5083070, 5751895, 7050710, 11503790, 21857201, 43714402, 109286005, 218572010]

約数ペア:

[(1, 218572010), (2, 109286005), (5, 43714402), (10, 21857201), (19, 11503790), (31, 7050710), (38, 5751895), (43, 5083070), (62, 3525355), (86, 2541535), (95, 2300758), (155, 1410142), (190, 1150379), (215, 1016614), (310, 705071), (430, 508307), (589, 371090), (817, 267530), (863, 253270), (1178, 185545), (1333, 163970), (1634, 133765), (1726, 126635), (2666, 81985), (2945, 74218), (4085, 53506), (4315, 50654), (5890, 37109), (6665, 32794), (8170, 26753), (8630, 25327), (13330, 16397)]