313239940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{5261}}^1$

素因数の和:5512

約数の個数: 48

約数和(自身を含む): 711632880

約数和(自身を除く): 398392940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 229, 260, 458, 916, 1145, 2290, 2977, 4580, 5261, 5954, 10522, 11908, 14885, 21044, 26305, 29770, 52610, 59540, 68393, 105220, 136786, 273572, 341965, 683930, 1204769, 1367860, 2409538, 4819076, 6023845, 12047690, 15661997, 24095380, 31323994, 62647988, 78309985, 156619970, 313239940]

約数ペア:

[(1, 313239940), (2, 156619970), (4, 78309985), (5, 62647988), (10, 31323994), (13, 24095380), (20, 15661997), (26, 12047690), (52, 6023845), (65, 4819076), (130, 2409538), (229, 1367860), (260, 1204769), (458, 683930), (916, 341965), (1145, 273572), (2290, 136786), (2977, 105220), (4580, 68393), (5261, 59540), (5954, 52610), (10522, 29770), (11908, 26305), (14885, 21044)]