312819990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{78401}}^1$

素因数の和:78437

約数の個数: 64

約数和(自身を含む): 903191040

約数和(自身を除く): 590371050

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 78401, 156802, 235203, 392005, 470406, 548807, 784010, 1097614, 1176015, 1489619, 1646421, 2352030, 2744035, 2979238, 3292842, 4468857, 5488070, 7448095, 8232105, 8937714, 10427333, 14896190, 16464210, 20854666, 22344285, 31281999, 44688570, 52136665, 62563998, 104273330, 156409995, 312819990]

約数ペア:

[(1, 312819990), (2, 156409995), (3, 104273330), (5, 62563998), (6, 52136665), (7, 44688570), (10, 31281999), (14, 22344285), (15, 20854666), (19, 16464210), (21, 14896190), (30, 10427333), (35, 8937714), (38, 8232105), (42, 7448095), (57, 5488070), (70, 4468857), (95, 3292842), (105, 2979238), (114, 2744035), (133, 2352030), (190, 1646421), (210, 1489619), (266, 1176015), (285, 1097614), (399, 784010), (570, 548807), (665, 470406), (798, 392005), (1330, 235203), (1995, 156802), (3990, 78401)]