316940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:98

約数の個数: 48

約数和(自身を含む): 762048

約数和(自身を除く): 445108

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 53, 65, 92, 106, 115, 130, 212, 230, 260, 265, 299, 460, 530, 598, 689, 1060, 1196, 1219, 1378, 1495, 2438, 2756, 2990, 3445, 4876, 5980, 6095, 6890, 12190, 13780, 15847, 24380, 31694, 63388, 79235, 158470, 316940]

約数ペア:

[(1, 316940), (2, 158470), (4, 79235), (5, 63388), (10, 31694), (13, 24380), (20, 15847), (23, 13780), (26, 12190), (46, 6890), (52, 6095), (53, 5980), (65, 4876), (92, 3445), (106, 2990), (115, 2756), (130, 2438), (212, 1495), (230, 1378), (260, 1219), (265, 1196), (299, 1060), (460, 689), (530, 598)]