444990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:193

約数の個数: 64

約数和(自身を含む): 1322496

約数和(自身を除く): 877506

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 163, 182, 195, 210, 273, 326, 390, 455, 489, 546, 815, 910, 978, 1141, 1365, 1630, 2119, 2282, 2445, 2730, 3423, 4238, 4890, 5705, 6357, 6846, 10595, 11410, 12714, 14833, 17115, 21190, 29666, 31785, 34230, 44499, 63570, 74165, 88998, 148330, 222495, 444990]

約数ペア:

[(1, 444990), (2, 222495), (3, 148330), (5, 88998), (6, 74165), (7, 63570), (10, 44499), (13, 34230), (14, 31785), (15, 29666), (21, 21190), (26, 17115), (30, 14833), (35, 12714), (39, 11410), (42, 10595), (65, 6846), (70, 6357), (78, 5705), (91, 4890), (105, 4238), (130, 3423), (163, 2730), (182, 2445), (195, 2282), (210, 2119), (273, 1630), (326, 1365), (390, 1141), (455, 978), (489, 910), (546, 815)]