651820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 1552320

約数和(自身を除く): 900500

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 109, 115, 130, 218, 230, 260, 299, 436, 460, 545, 598, 1090, 1196, 1417, 1495, 2180, 2507, 2834, 2990, 5014, 5668, 5980, 7085, 10028, 12535, 14170, 25070, 28340, 32591, 50140, 65182, 130364, 162955, 325910, 651820]

約数ペア:

[(1, 651820), (2, 325910), (4, 162955), (5, 130364), (10, 65182), (13, 50140), (20, 32591), (23, 28340), (26, 25070), (46, 14170), (52, 12535), (65, 10028), (92, 7085), (109, 5980), (115, 5668), (130, 5014), (218, 2990), (230, 2834), (260, 2507), (299, 2180), (436, 1495), (460, 1417), (545, 1196), (598, 1090)]