497882320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15443}}^1$

素因数の和:15500

約数の個数: 80

約数和(自身を含む): 1286917632

約数和(自身を除く): 789035312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 15443, 16120, 30886, 32240, 61772, 77215, 123544, 154430, 200759, 247088, 308860, 401518, 478733, 617720, 803036, 957466, 1003795, 1235440, 1606072, 1914932, 2007590, 2393665, 3212144, 3829864, 4015180, 4787330, 6223529, 7659728, 8030360, 9574660, 12447058, 16060720, 19149320, 24894116, 31117645, 38298640, 49788232, 62235290, 99576464, 124470580, 248941160, 497882320]

約数ペア:

[(1, 497882320), (2, 248941160), (4, 124470580), (5, 99576464), (8, 62235290), (10, 49788232), (13, 38298640), (16, 31117645), (20, 24894116), (26, 19149320), (31, 16060720), (40, 12447058), (52, 9574660), (62, 8030360), (65, 7659728), (80, 6223529), (104, 4787330), (124, 4015180), (130, 3829864), (155, 3212144), (208, 2393665), (248, 2007590), (260, 1914932), (310, 1606072), (403, 1235440), (496, 1003795), (520, 957466), (620, 803036), (806, 617720), (1040, 478733), (1240, 401518), (1612, 308860), (2015, 247088), (2480, 200759), (3224, 154430), (4030, 123544), (6448, 77215), (8060, 61772), (15443, 32240), (16120, 30886)]