353169980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{6863}}^1$

素因数の和:6986

約数の個数: 48

約数和(自身を含む): 774918144

約数和(自身を除く): 421748164

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 83, 124, 155, 166, 310, 332, 415, 620, 830, 1660, 2573, 5146, 6863, 10292, 12865, 13726, 25730, 27452, 34315, 51460, 68630, 137260, 212753, 425506, 569629, 851012, 1063765, 1139258, 2127530, 2278516, 2848145, 4255060, 5696290, 11392580, 17658499, 35316998, 70633996, 88292495, 176584990, 353169980]

約数ペア:

[(1, 353169980), (2, 176584990), (4, 88292495), (5, 70633996), (10, 35316998), (20, 17658499), (31, 11392580), (62, 5696290), (83, 4255060), (124, 2848145), (155, 2278516), (166, 2127530), (310, 1139258), (332, 1063765), (415, 851012), (620, 569629), (830, 425506), (1660, 212753), (2573, 137260), (5146, 68630), (6863, 51460), (10292, 34315), (12865, 27452), (13726, 25730)]