2500980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{571}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 7111104

約数和(自身を除く): 4610124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 571, 730, 876, 1095, 1142, 1460, 1713, 2190, 2284, 2855, 3426, 4380, 5710, 6852, 8565, 11420, 17130, 34260, 41683, 83366, 125049, 166732, 208415, 250098, 416830, 500196, 625245, 833660, 1250490, 2500980]

約数ペア:

[(1, 2500980), (2, 1250490), (3, 833660), (4, 625245), (5, 500196), (6, 416830), (10, 250098), (12, 208415), (15, 166732), (20, 125049), (30, 83366), (60, 41683), (73, 34260), (146, 17130), (219, 11420), (292, 8565), (365, 6852), (438, 5710), (571, 4380), (730, 3426), (876, 2855), (1095, 2284), (1142, 2190), (1460, 1713)]