231520400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{18671}}^1$

素因数の和:18720

約数の個数: 60

約数和(自身を含む): 574201344

約数和(自身を除く): 342680944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 2480, 3100, 6200, 12400, 18671, 37342, 74684, 93355, 149368, 186710, 298736, 373420, 466775, 578801, 746840, 933550, 1157602, 1493680, 1867100, 2315204, 2894005, 3734200, 4630408, 5788010, 7468400, 9260816, 11576020, 14470025, 23152040, 28940050, 46304080, 57880100, 115760200, 231520400]

約数ペア:

[(1, 231520400), (2, 115760200), (4, 57880100), (5, 46304080), (8, 28940050), (10, 23152040), (16, 14470025), (20, 11576020), (25, 9260816), (31, 7468400), (40, 5788010), (50, 4630408), (62, 3734200), (80, 2894005), (100, 2315204), (124, 1867100), (155, 1493680), (200, 1157602), (248, 933550), (310, 746840), (400, 578801), (496, 466775), (620, 373420), (775, 298736), (1240, 186710), (1550, 149368), (2480, 93355), (3100, 74684), (6200, 37342), (12400, 18671)]