1285867700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{23003}}^1$

素因数の和:23073

約数の個数: 72

約数和(自身を含む): 3074990688

約数和(自身を除く): 1789122988

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 86, 100, 130, 172, 215, 260, 325, 430, 559, 650, 860, 1075, 1118, 1300, 2150, 2236, 2795, 4300, 5590, 11180, 13975, 23003, 27950, 46006, 55900, 92012, 115015, 230030, 299039, 460060, 575075, 598078, 989129, 1150150, 1196156, 1495195, 1978258, 2300300, 2990390, 3956516, 4945645, 5980780, 7475975, 9891290, 12858677, 14951950, 19782580, 24728225, 25717354, 29903900, 49456450, 51434708, 64293385, 98912900, 128586770, 257173540, 321466925, 642933850, 1285867700]

約数ペア:

[(1, 1285867700), (2, 642933850), (4, 321466925), (5, 257173540), (10, 128586770), (13, 98912900), (20, 64293385), (25, 51434708), (26, 49456450), (43, 29903900), (50, 25717354), (52, 24728225), (65, 19782580), (86, 14951950), (100, 12858677), (130, 9891290), (172, 7475975), (215, 5980780), (260, 4945645), (325, 3956516), (430, 2990390), (559, 2300300), (650, 1978258), (860, 1495195), (1075, 1196156), (1118, 1150150), (1300, 989129), (2150, 598078), (2236, 575075), (2795, 460060), (4300, 299039), (5590, 230030), (11180, 115015), (13975, 92012), (23003, 55900), (27950, 46006)]