251221040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3373}}^1$

素因数の和:3419

約数の個数: 120

約数和(自身を含む): 715422960

約数和(自身を除く): 464201920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 190, 196, 245, 266, 280, 304, 380, 392, 490, 532, 560, 665, 760, 784, 931, 980, 1064, 1330, 1520, 1862, 1960, 2128, 2660, 3373, 3724, 3920, 4655, 5320, 6746, 7448, 9310, 10640, 13492, 14896, 16865, 18620, 23611, 26984, 33730, 37240, 47222, 53968, 64087, 67460, 74480, 94444, 118055, 128174, 134920, 165277, 188888, 236110, 256348, 269840, 320435, 330554, 377776, 448609, 472220, 512696, 640870, 661108, 826385, 897218, 944440, 1025392, 1281740, 1322216, 1652770, 1794436, 1888880, 2243045, 2563480, 2644432, 3140263, 3305540, 3588872, 4486090, 5126960, 6280526, 6611080, 7177744, 8972180, 12561052, 13222160, 15701315, 17944360, 25122104, 31402630, 35888720, 50244208, 62805260, 125610520, 251221040]

約数ペア:

[(1, 251221040), (2, 125610520), (4, 62805260), (5, 50244208), (7, 35888720), (8, 31402630), (10, 25122104), (14, 17944360), (16, 15701315), (19, 13222160), (20, 12561052), (28, 8972180), (35, 7177744), (38, 6611080), (40, 6280526), (49, 5126960), (56, 4486090), (70, 3588872), (76, 3305540), (80, 3140263), (95, 2644432), (98, 2563480), (112, 2243045), (133, 1888880), (140, 1794436), (152, 1652770), (190, 1322216), (196, 1281740), (245, 1025392), (266, 944440), (280, 897218), (304, 826385), (380, 661108), (392, 640870), (490, 512696), (532, 472220), (560, 448609), (665, 377776), (760, 330554), (784, 320435), (931, 269840), (980, 256348), (1064, 236110), (1330, 188888), (1520, 165277), (1862, 134920), (1960, 128174), (2128, 118055), (2660, 94444), (3373, 74480), (3724, 67460), (3920, 64087), (4655, 53968), (5320, 47222), (6746, 37240), (7448, 33730), (9310, 26984), (10640, 23611), (13492, 18620), (14896, 16865)]