201949720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{2179}}^1$

素因数の和:2528

約数の個数: 64

約数和(自身を含む): 521107200

約数和(自身を除く): 319157480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 331, 662, 1324, 1655, 2179, 2317, 2648, 3310, 4358, 4634, 6620, 8716, 9268, 10895, 11585, 13240, 15253, 17432, 18536, 21790, 23170, 30506, 43580, 46340, 61012, 76265, 87160, 92680, 122024, 152530, 305060, 610120, 721249, 1442498, 2884996, 3606245, 5048743, 5769992, 7212490, 10097486, 14424980, 20194972, 25243715, 28849960, 40389944, 50487430, 100974860, 201949720]

約数ペア:

[(1, 201949720), (2, 100974860), (4, 50487430), (5, 40389944), (7, 28849960), (8, 25243715), (10, 20194972), (14, 14424980), (20, 10097486), (28, 7212490), (35, 5769992), (40, 5048743), (56, 3606245), (70, 2884996), (140, 1442498), (280, 721249), (331, 610120), (662, 305060), (1324, 152530), (1655, 122024), (2179, 92680), (2317, 87160), (2648, 76265), (3310, 61012), (4358, 46340), (4634, 43580), (6620, 30506), (8716, 23170), (9268, 21790), (10895, 18536), (11585, 17432), (13240, 15253)]