978702920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5827}}^1$

素因数の和:5887

約数の個数: 128

約数和(自身を含む): 2643580800

約数和(自身を除く): 1664877880

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 19, 20, 26, 34, 38, 40, 52, 65, 68, 76, 85, 95, 104, 130, 136, 152, 170, 190, 221, 247, 260, 323, 340, 380, 442, 494, 520, 646, 680, 760, 884, 988, 1105, 1235, 1292, 1615, 1768, 1976, 2210, 2470, 2584, 3230, 4199, 4420, 4940, 5827, 6460, 8398, 8840, 9880, 11654, 12920, 16796, 20995, 23308, 29135, 33592, 41990, 46616, 58270, 75751, 83980, 99059, 110713, 116540, 151502, 167960, 198118, 221426, 233080, 303004, 378755, 396236, 442852, 495295, 553565, 606008, 757510, 792472, 885704, 990590, 1107130, 1287767, 1439269, 1515020, 1882121, 1981180, 2214260, 2575534, 2878538, 3030040, 3764242, 3962360, 4428520, 5151068, 5757076, 6438835, 7196345, 7528484, 9410605, 10302136, 11514152, 12877670, 14392690, 15056968, 18821210, 24467573, 25755340, 28785380, 37642420, 48935146, 51510680, 57570760, 75284840, 97870292, 122337865, 195740584, 244675730, 489351460, 978702920]

約数ペア:

[(1, 978702920), (2, 489351460), (4, 244675730), (5, 195740584), (8, 122337865), (10, 97870292), (13, 75284840), (17, 57570760), (19, 51510680), (20, 48935146), (26, 37642420), (34, 28785380), (38, 25755340), (40, 24467573), (52, 18821210), (65, 15056968), (68, 14392690), (76, 12877670), (85, 11514152), (95, 10302136), (104, 9410605), (130, 7528484), (136, 7196345), (152, 6438835), (170, 5757076), (190, 5151068), (221, 4428520), (247, 3962360), (260, 3764242), (323, 3030040), (340, 2878538), (380, 2575534), (442, 2214260), (494, 1981180), (520, 1882121), (646, 1515020), (680, 1439269), (760, 1287767), (884, 1107130), (988, 990590), (1105, 885704), (1235, 792472), (1292, 757510), (1615, 606008), (1768, 553565), (1976, 495295), (2210, 442852), (2470, 396236), (2584, 378755), (3230, 303004), (4199, 233080), (4420, 221426), (4940, 198118), (5827, 167960), (6460, 151502), (8398, 116540), (8840, 110713), (9880, 99059), (11654, 83980), (12920, 75751), (16796, 58270), (20995, 46616), (23308, 41990), (29135, 33592)]