390454740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{166861}}^1$

素因数の和:166889

約数の個数: 72

約数和(自身を含む): 1275493128

約数和(自身を除く): 885038388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 166861, 333722, 500583, 667444, 834305, 1001166, 1501749, 1668610, 2002332, 2169193, 2502915, 3003498, 3337220, 4338386, 5005830, 6006996, 6507579, 7508745, 8676772, 10011660, 10845965, 13015158, 15017490, 19522737, 21691930, 26030316, 30034980, 32537895, 39045474, 43383860, 65075790, 78090948, 97613685, 130151580, 195227370, 390454740]

約数ペア:

[(1, 390454740), (2, 195227370), (3, 130151580), (4, 97613685), (5, 78090948), (6, 65075790), (9, 43383860), (10, 39045474), (12, 32537895), (13, 30034980), (15, 26030316), (18, 21691930), (20, 19522737), (26, 15017490), (30, 13015158), (36, 10845965), (39, 10011660), (45, 8676772), (52, 7508745), (60, 6507579), (65, 6006996), (78, 5005830), (90, 4338386), (117, 3337220), (130, 3003498), (156, 2502915), (180, 2169193), (195, 2002332), (234, 1668610), (260, 1501749), (390, 1001166), (468, 834305), (585, 667444), (780, 500583), (1170, 333722), (2340, 166861)]