2500620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{587}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 7112448

約数和(自身を除く): 4611828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 587, 710, 852, 1065, 1174, 1420, 1761, 2130, 2348, 2935, 3522, 4260, 5870, 7044, 8805, 11740, 17610, 35220, 41677, 83354, 125031, 166708, 208385, 250062, 416770, 500124, 625155, 833540, 1250310, 2500620]

約数ペア:

[(1, 2500620), (2, 1250310), (3, 833540), (4, 625155), (5, 500124), (6, 416770), (10, 250062), (12, 208385), (15, 166708), (20, 125031), (30, 83354), (60, 41677), (71, 35220), (142, 17610), (213, 11740), (284, 8805), (355, 7044), (426, 5870), (587, 4260), (710, 3522), (852, 2935), (1065, 2348), (1174, 2130), (1420, 1761)]