898860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 2564352

約数和(自身を除く): 1665492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 211, 213, 284, 355, 422, 426, 633, 710, 844, 852, 1055, 1065, 1266, 1420, 2110, 2130, 2532, 3165, 4220, 4260, 6330, 12660, 14981, 29962, 44943, 59924, 74905, 89886, 149810, 179772, 224715, 299620, 449430, 898860]

約数ペア:

[(1, 898860), (2, 449430), (3, 299620), (4, 224715), (5, 179772), (6, 149810), (10, 89886), (12, 74905), (15, 59924), (20, 44943), (30, 29962), (60, 14981), (71, 12660), (142, 6330), (211, 4260), (213, 4220), (284, 3165), (355, 2532), (422, 2130), (426, 2110), (633, 1420), (710, 1266), (844, 1065), (852, 1055)]