7887841640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{211811}}^1$

素因数の和:211855

約数の個数: 96

約数和(自身を含む): 21731911200

約数和(自身を除く): 13844069560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 95, 98, 133, 140, 152, 190, 196, 245, 266, 280, 380, 392, 490, 532, 665, 760, 931, 980, 1064, 1330, 1862, 1960, 2660, 3724, 4655, 5320, 7448, 9310, 18620, 37240, 211811, 423622, 847244, 1059055, 1482677, 1694488, 2118110, 2965354, 4024409, 4236220, 5930708, 7413385, 8048818, 8472440, 10378739, 11861416, 14826770, 16097636, 20122045, 20757478, 28170863, 29653540, 32195272, 40244090, 41514956, 51893695, 56341726, 59307080, 80488180, 83029912, 103787390, 112683452, 140854315, 160976360, 197196041, 207574780, 225366904, 281708630, 394392082, 415149560, 563417260, 788784164, 985980205, 1126834520, 1577568328, 1971960410, 3943920820, 7887841640]

約数ペア:

[(1, 7887841640), (2, 3943920820), (4, 1971960410), (5, 1577568328), (7, 1126834520), (8, 985980205), (10, 788784164), (14, 563417260), (19, 415149560), (20, 394392082), (28, 281708630), (35, 225366904), (38, 207574780), (40, 197196041), (49, 160976360), (56, 140854315), (70, 112683452), (76, 103787390), (95, 83029912), (98, 80488180), (133, 59307080), (140, 56341726), (152, 51893695), (190, 41514956), (196, 40244090), (245, 32195272), (266, 29653540), (280, 28170863), (380, 20757478), (392, 20122045), (490, 16097636), (532, 14826770), (665, 11861416), (760, 10378739), (931, 8472440), (980, 8048818), (1064, 7413385), (1330, 5930708), (1862, 4236220), (1960, 4024409), (2660, 2965354), (3724, 2118110), (4655, 1694488), (5320, 1482677), (7448, 1059055), (9310, 847244), (18620, 423622), (37240, 211811)]