320442928

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{6971}}^1$

素因数の和:7022

約数の個数: 60

約数和(自身を含む): 711938808

約数和(自身を除く): 391495880

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 169, 208, 221, 272, 338, 442, 676, 884, 1352, 1768, 2704, 2873, 3536, 5746, 6971, 11492, 13942, 22984, 27884, 45968, 55768, 90623, 111536, 118507, 181246, 237014, 362492, 474028, 724984, 948056, 1178099, 1449968, 1540591, 1896112, 2356198, 3081182, 4712396, 6162364, 9424792, 12324728, 18849584, 20027683, 24649456, 40055366, 80110732, 160221464, 320442928]

約数ペア:

[(1, 320442928), (2, 160221464), (4, 80110732), (8, 40055366), (13, 24649456), (16, 20027683), (17, 18849584), (26, 12324728), (34, 9424792), (52, 6162364), (68, 4712396), (104, 3081182), (136, 2356198), (169, 1896112), (208, 1540591), (221, 1449968), (272, 1178099), (338, 948056), (442, 724984), (676, 474028), (884, 362492), (1352, 237014), (1768, 181246), (2704, 118507), (2873, 111536), (3536, 90623), (5746, 55768), (6971, 45968), (11492, 27884), (13942, 22984)]