8397420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{809}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 23677920

約数和(自身を除く): 15280500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 173, 346, 519, 692, 809, 865, 1038, 1618, 1730, 2076, 2427, 2595, 3236, 3460, 4045, 4854, 5190, 8090, 9708, 10380, 12135, 16180, 24270, 48540, 139957, 279914, 419871, 559828, 699785, 839742, 1399570, 1679484, 2099355, 2799140, 4198710, 8397420]

約数ペア:

[(1, 8397420), (2, 4198710), (3, 2799140), (4, 2099355), (5, 1679484), (6, 1399570), (10, 839742), (12, 699785), (15, 559828), (20, 419871), (30, 279914), (60, 139957), (173, 48540), (346, 24270), (519, 16180), (692, 12135), (809, 10380), (865, 9708), (1038, 8090), (1618, 5190), (1730, 4854), (2076, 4045), (2427, 3460), (2595, 3236)]