1394358920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1\times {\mathrm{2309}}^1$

素因数の和:2838

約数の個数: 64

約数和(自身を含む): 3246566400

約数和(自身を除く): 1852207480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 487, 620, 974, 1240, 1948, 2309, 2435, 3896, 4618, 4870, 9236, 9740, 11545, 15097, 18472, 19480, 23090, 30194, 46180, 60388, 71579, 75485, 92360, 120776, 143158, 150970, 286316, 301940, 357895, 572632, 603880, 715790, 1124483, 1431580, 2248966, 2863160, 4497932, 5622415, 8995864, 11244830, 22489660, 34858973, 44979320, 69717946, 139435892, 174294865, 278871784, 348589730, 697179460, 1394358920]

約数ペア:

[(1, 1394358920), (2, 697179460), (4, 348589730), (5, 278871784), (8, 174294865), (10, 139435892), (20, 69717946), (31, 44979320), (40, 34858973), (62, 22489660), (124, 11244830), (155, 8995864), (248, 5622415), (310, 4497932), (487, 2863160), (620, 2248966), (974, 1431580), (1240, 1124483), (1948, 715790), (2309, 603880), (2435, 572632), (3896, 357895), (4618, 301940), (4870, 286316), (9236, 150970), (9740, 143158), (11545, 120776), (15097, 92360), (18472, 75485), (19480, 71579), (23090, 60388), (30194, 46180)]