2021809720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{14827}}^1$

素因数の和:15332

約数の個数: 64

約数和(自身を含む): 5209966080

約数和(自身を除く): 3188156360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 487, 974, 1948, 2435, 3409, 3896, 4870, 6818, 9740, 13636, 14827, 17045, 19480, 27272, 29654, 34090, 59308, 68180, 74135, 103789, 118616, 136360, 148270, 207578, 296540, 415156, 518945, 593080, 830312, 1037890, 2075780, 4151560, 7220749, 14441498, 28882996, 36103745, 50545243, 57765992, 72207490, 101090486, 144414980, 202180972, 252726215, 288829960, 404361944, 505452430, 1010904860, 2021809720]

約数ペア:

[(1, 2021809720), (2, 1010904860), (4, 505452430), (5, 404361944), (7, 288829960), (8, 252726215), (10, 202180972), (14, 144414980), (20, 101090486), (28, 72207490), (35, 57765992), (40, 50545243), (56, 36103745), (70, 28882996), (140, 14441498), (280, 7220749), (487, 4151560), (974, 2075780), (1948, 1037890), (2435, 830312), (3409, 593080), (3896, 518945), (4870, 415156), (6818, 296540), (9740, 207578), (13636, 148270), (14827, 136360), (17045, 118616), (19480, 103789), (27272, 74135), (29654, 68180), (34090, 59308)]