156579140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{3557}}^1$

素因数の和:3668

約数の個数: 48

約数和(自身を含む): 344300544

約数和(自身を除く): 187721404

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 710, 1420, 2201, 3557, 4402, 7114, 8804, 11005, 14228, 17785, 22010, 35570, 44020, 71140, 110267, 220534, 252547, 441068, 505094, 551335, 1010188, 1102670, 1262735, 2205340, 2525470, 5050940, 7828957, 15657914, 31315828, 39144785, 78289570, 156579140]

約数ペア:

[(1, 156579140), (2, 78289570), (4, 39144785), (5, 31315828), (10, 15657914), (20, 7828957), (31, 5050940), (62, 2525470), (71, 2205340), (124, 1262735), (142, 1102670), (155, 1010188), (284, 551335), (310, 505094), (355, 441068), (620, 252547), (710, 220534), (1420, 110267), (2201, 71140), (3557, 44020), (4402, 35570), (7114, 22010), (8804, 17785), (11005, 14228)]