1426768040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{743}}^1\times {\mathrm{787}}^1$

素因数の和:1602

約数の個数: 64

約数和(自身を含む): 3271397760

約数和(自身を除く): 1844629720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 743, 787, 1220, 1486, 1574, 2440, 2972, 3148, 3715, 3935, 5944, 6296, 7430, 7870, 14860, 15740, 29720, 31480, 45323, 48007, 90646, 96014, 181292, 192028, 226615, 240035, 362584, 384056, 453230, 480070, 584741, 906460, 960140, 1169482, 1812920, 1920280, 2338964, 2923705, 4677928, 5847410, 11694820, 23389640, 35669201, 71338402, 142676804, 178346005, 285353608, 356692010, 713384020, 1426768040]

約数ペア:

[(1, 1426768040), (2, 713384020), (4, 356692010), (5, 285353608), (8, 178346005), (10, 142676804), (20, 71338402), (40, 35669201), (61, 23389640), (122, 11694820), (244, 5847410), (305, 4677928), (488, 2923705), (610, 2338964), (743, 1920280), (787, 1812920), (1220, 1169482), (1486, 960140), (1574, 906460), (2440, 584741), (2972, 480070), (3148, 453230), (3715, 384056), (3935, 362584), (5944, 240035), (6296, 226615), (7430, 192028), (7870, 181292), (14860, 96014), (15740, 90646), (29720, 48007), (31480, 45323)]