2783754220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{5471}}^1$

素因数の和:5615

約数の個数: 96

約数和(自身を含む): 6692474880

約数和(自身を除く): 3908720660

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 103, 130, 190, 206, 247, 260, 380, 412, 494, 515, 988, 1030, 1235, 1339, 1957, 2060, 2470, 2678, 3914, 4940, 5356, 5471, 6695, 7828, 9785, 10942, 13390, 19570, 21884, 25441, 26780, 27355, 39140, 50882, 54710, 71123, 101764, 103949, 109420, 127205, 142246, 207898, 254410, 284492, 355615, 415796, 508820, 519745, 563513, 711230, 1039490, 1127026, 1351337, 1422460, 2078980, 2254052, 2702674, 2817565, 5405348, 5635130, 6756685, 7325669, 10706747, 11270260, 13513370, 14651338, 21413494, 27026740, 29302676, 36628345, 42826988, 53533735, 73256690, 107067470, 139187711, 146513380, 214134940, 278375422, 556750844, 695938555, 1391877110, 2783754220]

約数ペア:

[(1, 2783754220), (2, 1391877110), (4, 695938555), (5, 556750844), (10, 278375422), (13, 214134940), (19, 146513380), (20, 139187711), (26, 107067470), (38, 73256690), (52, 53533735), (65, 42826988), (76, 36628345), (95, 29302676), (103, 27026740), (130, 21413494), (190, 14651338), (206, 13513370), (247, 11270260), (260, 10706747), (380, 7325669), (412, 6756685), (494, 5635130), (515, 5405348), (988, 2817565), (1030, 2702674), (1235, 2254052), (1339, 2078980), (1957, 1422460), (2060, 1351337), (2470, 1127026), (2678, 1039490), (3914, 711230), (4940, 563513), (5356, 519745), (5471, 508820), (6695, 415796), (7828, 355615), (9785, 284492), (10942, 254410), (13390, 207898), (19570, 142246), (21884, 127205), (25441, 109420), (26780, 103949), (27355, 101764), (39140, 71123), (50882, 54710)]