1258724920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{23327}}^1$

素因数の和:23428

約数の個数: 64

約数和(自身を含む): 3023308800

約数和(自身を除く): 1764583880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1349, 1420, 2698, 2840, 5396, 6745, 10792, 13490, 23327, 26980, 46654, 53960, 93308, 116635, 186616, 233270, 443213, 466540, 886426, 933080, 1656217, 1772852, 2216065, 3312434, 3545704, 4432130, 6624868, 8281085, 8864260, 13249736, 16562170, 17728520, 31468123, 33124340, 62936246, 66248680, 125872492, 157340615, 251744984, 314681230, 629362460, 1258724920]

約数ペア:

[(1, 1258724920), (2, 629362460), (4, 314681230), (5, 251744984), (8, 157340615), (10, 125872492), (19, 66248680), (20, 62936246), (38, 33124340), (40, 31468123), (71, 17728520), (76, 16562170), (95, 13249736), (142, 8864260), (152, 8281085), (190, 6624868), (284, 4432130), (355, 3545704), (380, 3312434), (568, 2216065), (710, 1772852), (760, 1656217), (1349, 933080), (1420, 886426), (2698, 466540), (2840, 443213), (5396, 233270), (6745, 186616), (10792, 116635), (13490, 93308), (23327, 53960), (26980, 46654)]