317911940

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1\times {\mathrm{863}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 678440448

約数和(自身を除く): 360528508

約数列:

[1, 2, 4, 5, 10, 20, 113, 163, 226, 326, 452, 565, 652, 815, 863, 1130, 1630, 1726, 2260, 3260, 3452, 4315, 8630, 17260, 18419, 36838, 73676, 92095, 97519, 140669, 184190, 195038, 281338, 368380, 390076, 487595, 562676, 703345, 975190, 1406690, 1950380, 2813380, 15895597, 31791194, 63582388, 79477985, 158955970, 317911940]

約数ペア:

[(1, 317911940), (2, 158955970), (4, 79477985), (5, 63582388), (10, 31791194), (20, 15895597), (113, 2813380), (163, 1950380), (226, 1406690), (326, 975190), (452, 703345), (565, 562676), (652, 487595), (815, 390076), (863, 368380), (1130, 281338), (1630, 195038), (1726, 184190), (2260, 140669), (3260, 97519), (3452, 92095), (4315, 73676), (8630, 36838), (17260, 18419)]