9866920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 25660800

約数和(自身を除く): 15793880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 269, 280, 524, 538, 655, 917, 1048, 1076, 1310, 1345, 1834, 1883, 2152, 2620, 2690, 3668, 3766, 4585, 5240, 5380, 7336, 7532, 9170, 9415, 10760, 15064, 18340, 18830, 35239, 36680, 37660, 70478, 75320, 140956, 176195, 246673, 281912, 352390, 493346, 704780, 986692, 1233365, 1409560, 1973384, 2466730, 4933460, 9866920]

約数ペア:

[(1, 9866920), (2, 4933460), (4, 2466730), (5, 1973384), (7, 1409560), (8, 1233365), (10, 986692), (14, 704780), (20, 493346), (28, 352390), (35, 281912), (40, 246673), (56, 176195), (70, 140956), (131, 75320), (140, 70478), (262, 37660), (269, 36680), (280, 35239), (524, 18830), (538, 18340), (655, 15064), (917, 10760), (1048, 9415), (1076, 9170), (1310, 7532), (1345, 7336), (1834, 5380), (1883, 5240), (2152, 4585), (2620, 3766), (2690, 3668)]