1019221940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{2237}}^1$

素因数の和:2385

約数の個数: 96

約数和(自身を含む): 2481494400

約数和(自身を除く): 1462272460

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 109, 110, 190, 209, 218, 220, 380, 418, 436, 545, 836, 1045, 1090, 1199, 2071, 2090, 2180, 2237, 2398, 4142, 4180, 4474, 4796, 5995, 8284, 8948, 10355, 11185, 11990, 20710, 22370, 22781, 23980, 24607, 41420, 42503, 44740, 45562, 49214, 85006, 91124, 98428, 113905, 123035, 170012, 212515, 227810, 243833, 246070, 425030, 455620, 467533, 487666, 492140, 850060, 935066, 975332, 1219165, 1870132, 2337665, 2438330, 2682163, 4632827, 4675330, 4876660, 5364326, 9265654, 9350660, 10728652, 13410815, 18531308, 23164135, 26821630, 46328270, 50961097, 53643260, 92656540, 101922194, 203844388, 254805485, 509610970, 1019221940]

約数ペア:

[(1, 1019221940), (2, 509610970), (4, 254805485), (5, 203844388), (10, 101922194), (11, 92656540), (19, 53643260), (20, 50961097), (22, 46328270), (38, 26821630), (44, 23164135), (55, 18531308), (76, 13410815), (95, 10728652), (109, 9350660), (110, 9265654), (190, 5364326), (209, 4876660), (218, 4675330), (220, 4632827), (380, 2682163), (418, 2438330), (436, 2337665), (545, 1870132), (836, 1219165), (1045, 975332), (1090, 935066), (1199, 850060), (2071, 492140), (2090, 487666), (2180, 467533), (2237, 455620), (2398, 425030), (4142, 246070), (4180, 243833), (4474, 227810), (4796, 212515), (5995, 170012), (8284, 123035), (8948, 113905), (10355, 98428), (11185, 91124), (11990, 85006), (20710, 49214), (22370, 45562), (22781, 44740), (23980, 42503), (24607, 41420)]