53759780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 122544576

約数和(自身を除く): 68784796

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 131, 142, 170, 262, 284, 289, 340, 355, 524, 578, 655, 710, 1156, 1207, 1310, 1420, 1445, 2227, 2414, 2620, 2890, 4454, 4828, 5780, 6035, 8908, 9301, 11135, 12070, 18602, 20519, 22270, 24140, 37204, 37859, 41038, 44540, 46505, 75718, 82076, 93010, 102595, 151436, 158117, 186020, 189295, 205190, 316234, 378590, 410380, 632468, 757180, 790585, 1581170, 2687989, 3162340, 5375978, 10751956, 13439945, 26879890, 53759780]

約数ペア:

[(1, 53759780), (2, 26879890), (4, 13439945), (5, 10751956), (10, 5375978), (17, 3162340), (20, 2687989), (34, 1581170), (68, 790585), (71, 757180), (85, 632468), (131, 410380), (142, 378590), (170, 316234), (262, 205190), (284, 189295), (289, 186020), (340, 158117), (355, 151436), (524, 102595), (578, 93010), (655, 82076), (710, 75718), (1156, 46505), (1207, 44540), (1310, 41038), (1420, 37859), (1445, 37204), (2227, 24140), (2414, 22270), (2620, 20519), (2890, 18602), (4454, 12070), (4828, 11135), (5780, 9301), (6035, 8908)]