287024660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:441

約数の個数: 96

約数和(自身を含む): 677376000

約数和(自身を除く): 390351340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 149, 155, 239, 260, 298, 310, 403, 478, 596, 620, 745, 806, 956, 1195, 1490, 1612, 1937, 2015, 2390, 2980, 3107, 3874, 4030, 4619, 4780, 6214, 7409, 7748, 8060, 9238, 9685, 12428, 14818, 15535, 18476, 19370, 23095, 29636, 31070, 35611, 37045, 38740, 46190, 60047, 62140, 71222, 74090, 92380, 96317, 120094, 142444, 148180, 178055, 192634, 240188, 300235, 356110, 385268, 462943, 481585, 600470, 712220, 925886, 963170, 1103941, 1200940, 1851772, 1926340, 2207882, 2314715, 4415764, 4629430, 5519705, 9258860, 11039410, 14351233, 22078820, 28702466, 57404932, 71756165, 143512330, 287024660]

約数ペア:

[(1, 287024660), (2, 143512330), (4, 71756165), (5, 57404932), (10, 28702466), (13, 22078820), (20, 14351233), (26, 11039410), (31, 9258860), (52, 5519705), (62, 4629430), (65, 4415764), (124, 2314715), (130, 2207882), (149, 1926340), (155, 1851772), (239, 1200940), (260, 1103941), (298, 963170), (310, 925886), (403, 712220), (478, 600470), (596, 481585), (620, 462943), (745, 385268), (806, 356110), (956, 300235), (1195, 240188), (1490, 192634), (1612, 178055), (1937, 148180), (2015, 142444), (2390, 120094), (2980, 96317), (3107, 92380), (3874, 74090), (4030, 71222), (4619, 62140), (4780, 60047), (6214, 46190), (7409, 38740), (7748, 37045), (8060, 35611), (9238, 31070), (9685, 29636), (12428, 23095), (14818, 19370), (15535, 18476)]