71278950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{43}}^2\times {\mathrm{257}}^1$

素因数の和:358

約数の個数: 72

約数和(自身を含む): 181682568

約数和(自身を除く): 110403618

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 43, 50, 75, 86, 129, 150, 215, 257, 258, 430, 514, 645, 771, 1075, 1285, 1290, 1542, 1849, 2150, 2570, 3225, 3698, 3855, 5547, 6425, 6450, 7710, 9245, 11051, 11094, 12850, 18490, 19275, 22102, 27735, 33153, 38550, 46225, 55255, 55470, 66306, 92450, 110510, 138675, 165765, 276275, 277350, 331530, 475193, 552550, 828825, 950386, 1425579, 1657650, 2375965, 2851158, 4751930, 7127895, 11879825, 14255790, 23759650, 35639475, 71278950]

約数ペア:

[(1, 71278950), (2, 35639475), (3, 23759650), (5, 14255790), (6, 11879825), (10, 7127895), (15, 4751930), (25, 2851158), (30, 2375965), (43, 1657650), (50, 1425579), (75, 950386), (86, 828825), (129, 552550), (150, 475193), (215, 331530), (257, 277350), (258, 276275), (430, 165765), (514, 138675), (645, 110510), (771, 92450), (1075, 66306), (1285, 55470), (1290, 55255), (1542, 46225), (1849, 38550), (2150, 33153), (2570, 27735), (3225, 22102), (3698, 19275), (3855, 18490), (5547, 12850), (6425, 11094), (6450, 11051), (7710, 9245)]