31236140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:267

約数の個数: 96

約数和(自身を含む): 77220864

約数和(自身を除く): 45984724

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 37, 52, 65, 68, 74, 85, 130, 148, 170, 185, 191, 221, 260, 340, 370, 382, 442, 481, 629, 740, 764, 884, 955, 962, 1105, 1258, 1910, 1924, 2210, 2405, 2483, 2516, 3145, 3247, 3820, 4420, 4810, 4966, 6290, 6494, 7067, 8177, 9620, 9932, 12415, 12580, 12988, 14134, 16235, 16354, 24830, 28268, 32470, 32708, 35335, 40885, 42211, 49660, 64940, 70670, 81770, 84422, 91871, 120139, 141340, 163540, 168844, 183742, 211055, 240278, 367484, 422110, 459355, 480556, 600695, 844220, 918710, 1201390, 1561807, 1837420, 2402780, 3123614, 6247228, 7809035, 15618070, 31236140]

約数ペア:

[(1, 31236140), (2, 15618070), (4, 7809035), (5, 6247228), (10, 3123614), (13, 2402780), (17, 1837420), (20, 1561807), (26, 1201390), (34, 918710), (37, 844220), (52, 600695), (65, 480556), (68, 459355), (74, 422110), (85, 367484), (130, 240278), (148, 211055), (170, 183742), (185, 168844), (191, 163540), (221, 141340), (260, 120139), (340, 91871), (370, 84422), (382, 81770), (442, 70670), (481, 64940), (629, 49660), (740, 42211), (764, 40885), (884, 35335), (955, 32708), (962, 32470), (1105, 28268), (1258, 24830), (1910, 16354), (1924, 16235), (2210, 14134), (2405, 12988), (2483, 12580), (2516, 12415), (3145, 9932), (3247, 9620), (3820, 8177), (4420, 7067), (4810, 6494), (4966, 6290)]