83949980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{1277}}^1$

素因数の和:1478

約数の個数: 48

約数和(自身を含む): 186792480

約数和(自身を除く): 102842500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 173, 190, 346, 380, 692, 865, 1277, 1730, 2554, 3287, 3460, 5108, 6385, 6574, 12770, 13148, 16435, 24263, 25540, 32870, 48526, 65740, 97052, 121315, 220921, 242630, 441842, 485260, 883684, 1104605, 2209210, 4197499, 4418420, 8394998, 16789996, 20987495, 41974990, 83949980]

約数ペア:

[(1, 83949980), (2, 41974990), (4, 20987495), (5, 16789996), (10, 8394998), (19, 4418420), (20, 4197499), (38, 2209210), (76, 1104605), (95, 883684), (173, 485260), (190, 441842), (346, 242630), (380, 220921), (692, 121315), (865, 97052), (1277, 65740), (1730, 48526), (2554, 32870), (3287, 25540), (3460, 24263), (5108, 16435), (6385, 13148), (6574, 12770)]