215812310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{251}}^1$

素因数の和:509

約数の個数: 64

約数和(自身を含む): 454616064

約数和(自身を除く): 238803754

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 173, 251, 346, 355, 497, 502, 710, 865, 994, 1211, 1255, 1730, 1757, 2422, 2485, 2510, 3514, 4970, 6055, 8785, 12110, 12283, 17570, 17821, 24566, 35642, 43423, 61415, 85981, 86846, 89105, 122830, 124747, 171962, 178210, 217115, 249494, 303961, 429905, 434230, 607922, 623735, 859810, 1247470, 1519805, 3039610, 3083033, 6166066, 15415165, 21581231, 30830330, 43162462, 107906155, 215812310]

約数ペア:

[(1, 215812310), (2, 107906155), (5, 43162462), (7, 30830330), (10, 21581231), (14, 15415165), (35, 6166066), (70, 3083033), (71, 3039610), (142, 1519805), (173, 1247470), (251, 859810), (346, 623735), (355, 607922), (497, 434230), (502, 429905), (710, 303961), (865, 249494), (994, 217115), (1211, 178210), (1255, 171962), (1730, 124747), (1757, 122830), (2422, 89105), (2485, 86846), (2510, 85981), (3514, 61415), (4970, 43423), (6055, 35642), (8785, 24566), (12110, 17821), (12283, 17570)]