291569240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1\times {\mathrm{599}}^1$

素因数の和:936

約数の個数: 64

約数和(自身を含む): 674784000

約数和(自身を除く): 383214760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 283, 344, 430, 566, 599, 860, 1132, 1198, 1415, 1720, 2264, 2396, 2830, 2995, 4792, 5660, 5990, 11320, 11980, 12169, 23960, 24338, 25757, 48676, 51514, 60845, 97352, 103028, 121690, 128785, 169517, 206056, 243380, 257570, 339034, 486760, 515140, 678068, 847585, 1030280, 1356136, 1695170, 3390340, 6780680, 7289231, 14578462, 29156924, 36446155, 58313848, 72892310, 145784620, 291569240]

約数ペア:

[(1, 291569240), (2, 145784620), (4, 72892310), (5, 58313848), (8, 36446155), (10, 29156924), (20, 14578462), (40, 7289231), (43, 6780680), (86, 3390340), (172, 1695170), (215, 1356136), (283, 1030280), (344, 847585), (430, 678068), (566, 515140), (599, 486760), (860, 339034), (1132, 257570), (1198, 243380), (1415, 206056), (1720, 169517), (2264, 128785), (2396, 121690), (2830, 103028), (2995, 97352), (4792, 60845), (5660, 51514), (5990, 48676), (11320, 25757), (11980, 24338), (12169, 23960)]