7142930875

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:461

約数の個数: 64

約数和(自身を含む): 9464832000

約数和(自身を除く): 2321901125

約数列:

[1, 5, 25, 31, 59, 125, 155, 157, 199, 295, 775, 785, 995, 1475, 1829, 3875, 3925, 4867, 4975, 6169, 7375, 9145, 9263, 11741, 19625, 24335, 24875, 30845, 31243, 45725, 46315, 58705, 121675, 154225, 156215, 228625, 231575, 287153, 293525, 363971, 608375, 771125, 781075, 968533, 1157875, 1435765, 1467625, 1819855, 1843337, 3905375, 4842665, 7178825, 9099275, 9216685, 24213325, 35894125, 45496375, 46083425, 57143447, 121066625, 230417125, 285717235, 1428586175, 7142930875]

約数ペア:

[(1, 7142930875), (5, 1428586175), (25, 285717235), (31, 230417125), (59, 121066625), (125, 57143447), (155, 46083425), (157, 45496375), (199, 35894125), (295, 24213325), (775, 9216685), (785, 9099275), (995, 7178825), (1475, 4842665), (1829, 3905375), (3875, 1843337), (3925, 1819855), (4867, 1467625), (4975, 1435765), (6169, 1157875), (7375, 968533), (9145, 781075), (9263, 771125), (11741, 608375), (19625, 363971), (24335, 293525), (24875, 287153), (30845, 231575), (31243, 228625), (45725, 156215), (46315, 154225), (58705, 121675)]