3973970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 9628416

約数和(自身を除く): 5654446

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 397, 455, 715, 770, 794, 910, 1001, 1430, 1985, 2002, 2779, 3970, 4367, 5005, 5161, 5558, 8734, 10010, 10322, 13895, 21835, 25805, 27790, 30569, 36127, 43670, 51610, 56771, 61138, 72254, 113542, 152845, 180635, 283855, 305690, 361270, 397397, 567710, 794794, 1986985, 3973970]

約数ペア:

[(1, 3973970), (2, 1986985), (5, 794794), (7, 567710), (10, 397397), (11, 361270), (13, 305690), (14, 283855), (22, 180635), (26, 152845), (35, 113542), (55, 72254), (65, 61138), (70, 56771), (77, 51610), (91, 43670), (110, 36127), (130, 30569), (143, 27790), (154, 25805), (182, 21835), (286, 13895), (385, 10322), (397, 10010), (455, 8734), (715, 5558), (770, 5161), (794, 5005), (910, 4367), (1001, 3970), (1430, 2779), (1985, 2002)]