49394680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{631}}^1$

素因数の和:764

約数の個数: 64

約数和(自身を含む): 118310400

約数和(自身を除く): 68915720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 103, 152, 190, 206, 380, 412, 515, 631, 760, 824, 1030, 1262, 1957, 2060, 2524, 3155, 3914, 4120, 5048, 6310, 7828, 9785, 11989, 12620, 15656, 19570, 23978, 25240, 39140, 47956, 59945, 64993, 78280, 95912, 119890, 129986, 239780, 259972, 324965, 479560, 519944, 649930, 1234867, 1299860, 2469734, 2599720, 4939468, 6174335, 9878936, 12348670, 24697340, 49394680]

約数ペア:

[(1, 49394680), (2, 24697340), (4, 12348670), (5, 9878936), (8, 6174335), (10, 4939468), (19, 2599720), (20, 2469734), (38, 1299860), (40, 1234867), (76, 649930), (95, 519944), (103, 479560), (152, 324965), (190, 259972), (206, 239780), (380, 129986), (412, 119890), (515, 95912), (631, 78280), (760, 64993), (824, 59945), (1030, 47956), (1262, 39140), (1957, 25240), (2060, 23978), (2524, 19570), (3155, 15656), (3914, 12620), (4120, 11989), (5048, 9785), (6310, 7828)]