972130900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{1523}}^1$

素因数の和:2041

約数の個数: 72

約数和(自身を含む): 2277916704

約数和(自身を除く): 1305785804

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 491, 650, 982, 1300, 1523, 1964, 2455, 3046, 4910, 6092, 6383, 7615, 9820, 12275, 12766, 15230, 19799, 24550, 25532, 30460, 31915, 38075, 39598, 49100, 63830, 76150, 79196, 98995, 127660, 152300, 159575, 197990, 319150, 395980, 494975, 638300, 747793, 989950, 1495586, 1979900, 2991172, 3738965, 7477930, 9721309, 14955860, 18694825, 19442618, 37389650, 38885236, 48606545, 74779300, 97213090, 194426180, 243032725, 486065450, 972130900]

約数ペア:

[(1, 972130900), (2, 486065450), (4, 243032725), (5, 194426180), (10, 97213090), (13, 74779300), (20, 48606545), (25, 38885236), (26, 37389650), (50, 19442618), (52, 18694825), (65, 14955860), (100, 9721309), (130, 7477930), (260, 3738965), (325, 2991172), (491, 1979900), (650, 1495586), (982, 989950), (1300, 747793), (1523, 638300), (1964, 494975), (2455, 395980), (3046, 319150), (4910, 197990), (6092, 159575), (6383, 152300), (7615, 127660), (9820, 98995), (12275, 79196), (12766, 76150), (15230, 63830), (19799, 49100), (24550, 39598), (25532, 38075), (30460, 31915)]