2894840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 7408800

約数和(自身を除く): 4513960

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 293, 380, 494, 520, 586, 760, 988, 1172, 1235, 1465, 1976, 2344, 2470, 2930, 3809, 4940, 5567, 5860, 7618, 9880, 11134, 11720, 15236, 19045, 22268, 27835, 30472, 38090, 44536, 55670, 72371, 76180, 111340, 144742, 152360, 222680, 289484, 361855, 578968, 723710, 1447420, 2894840]

約数ペア:

[(1, 2894840), (2, 1447420), (4, 723710), (5, 578968), (8, 361855), (10, 289484), (13, 222680), (19, 152360), (20, 144742), (26, 111340), (38, 76180), (40, 72371), (52, 55670), (65, 44536), (76, 38090), (95, 30472), (104, 27835), (130, 22268), (152, 19045), (190, 15236), (247, 11720), (260, 11134), (293, 9880), (380, 7618), (494, 5860), (520, 5567), (586, 4940), (760, 3809), (988, 2930), (1172, 2470), (1235, 2344), (1465, 1976)]