419206720

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18451}}^1$

素因数の和:18539

約数の個数: 56

約数和(自身を含む): 1012350528

約数和(自身を除く): 593143808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 2272, 2840, 4544, 5680, 11360, 18451, 22720, 36902, 73804, 92255, 147608, 184510, 295216, 369020, 590432, 738040, 1180864, 1310021, 1476080, 2620042, 2952160, 5240084, 5904320, 6550105, 10480168, 13100210, 20960336, 26200420, 41920672, 52400840, 83841344, 104801680, 209603360, 419206720]

約数ペア:

[(1, 419206720), (2, 209603360), (4, 104801680), (5, 83841344), (8, 52400840), (10, 41920672), (16, 26200420), (20, 20960336), (32, 13100210), (40, 10480168), (64, 6550105), (71, 5904320), (80, 5240084), (142, 2952160), (160, 2620042), (284, 1476080), (320, 1310021), (355, 1180864), (568, 738040), (710, 590432), (1136, 369020), (1420, 295216), (2272, 184510), (2840, 147608), (4544, 92255), (5680, 73804), (11360, 36902), (18451, 22720)]