525980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2$

素因数の和:63

約数の個数: 72

約数和(自身を含む): 1444128

約数和(自身を除く): 918148

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 91, 119, 130, 140, 170, 182, 221, 238, 260, 289, 340, 364, 442, 455, 476, 578, 595, 884, 910, 1105, 1156, 1190, 1445, 1547, 1820, 2023, 2210, 2380, 2890, 3094, 3757, 4046, 4420, 5780, 6188, 7514, 7735, 8092, 10115, 15028, 15470, 18785, 20230, 26299, 30940, 37570, 40460, 52598, 75140, 105196, 131495, 262990, 525980]

約数ペア:

[(1, 525980), (2, 262990), (4, 131495), (5, 105196), (7, 75140), (10, 52598), (13, 40460), (14, 37570), (17, 30940), (20, 26299), (26, 20230), (28, 18785), (34, 15470), (35, 15028), (52, 10115), (65, 8092), (68, 7735), (70, 7514), (85, 6188), (91, 5780), (119, 4420), (130, 4046), (140, 3757), (170, 3094), (182, 2890), (221, 2380), (238, 2210), (260, 2023), (289, 1820), (340, 1547), (364, 1445), (442, 1190), (455, 1156), (476, 1105), (578, 910), (595, 884)]