1309098380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{6379}}^1$

素因数の和:6750

約数の個数: 48

約数和(自身を含む): 2846807040

約数和(自身を除く): 1537708660

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 331, 620, 662, 1324, 1655, 3310, 6379, 6620, 10261, 12758, 20522, 25516, 31895, 41044, 51305, 63790, 102610, 127580, 197749, 205220, 395498, 790996, 988745, 1977490, 2111449, 3954980, 4222898, 8445796, 10557245, 21114490, 42228980, 65454919, 130909838, 261819676, 327274595, 654549190, 1309098380]

約数ペア:

[(1, 1309098380), (2, 654549190), (4, 327274595), (5, 261819676), (10, 130909838), (20, 65454919), (31, 42228980), (62, 21114490), (124, 10557245), (155, 8445796), (310, 4222898), (331, 3954980), (620, 2111449), (662, 1977490), (1324, 988745), (1655, 790996), (3310, 395498), (6379, 205220), (6620, 197749), (10261, 127580), (12758, 102610), (20522, 63790), (25516, 51305), (31895, 41044)]