200039660

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{787}}^1$

素因数の和:1046

約数の個数: 48

約数和(自身を含む): 428924160

約数和(自身を除く): 228884500

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 179, 284, 355, 358, 710, 716, 787, 895, 1420, 1574, 1790, 3148, 3580, 3935, 7870, 12709, 15740, 25418, 50836, 55877, 63545, 111754, 127090, 140873, 223508, 254180, 279385, 281746, 558770, 563492, 704365, 1117540, 1408730, 2817460, 10001983, 20003966, 40007932, 50009915, 100019830, 200039660]

約数ペア:

[(1, 200039660), (2, 100019830), (4, 50009915), (5, 40007932), (10, 20003966), (20, 10001983), (71, 2817460), (142, 1408730), (179, 1117540), (284, 704365), (355, 563492), (358, 558770), (710, 281746), (716, 279385), (787, 254180), (895, 223508), (1420, 140873), (1574, 127090), (1790, 111754), (3148, 63545), (3580, 55877), (3935, 50836), (7870, 25418), (12709, 15740)]