79225880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{269}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 184680000

約数和(自身を除く): 105454120

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 199, 269, 296, 370, 398, 538, 740, 796, 995, 1076, 1345, 1480, 1592, 1990, 2152, 2690, 3980, 5380, 7363, 7960, 9953, 10760, 14726, 19906, 29452, 36815, 39812, 49765, 53531, 58904, 73630, 79624, 99530, 107062, 147260, 199060, 214124, 267655, 294520, 398120, 428248, 535310, 1070620, 1980647, 2141240, 3961294, 7922588, 9903235, 15845176, 19806470, 39612940, 79225880]

約数ペア:

[(1, 79225880), (2, 39612940), (4, 19806470), (5, 15845176), (8, 9903235), (10, 7922588), (20, 3961294), (37, 2141240), (40, 1980647), (74, 1070620), (148, 535310), (185, 428248), (199, 398120), (269, 294520), (296, 267655), (370, 214124), (398, 199060), (538, 147260), (740, 107062), (796, 99530), (995, 79624), (1076, 73630), (1345, 58904), (1480, 53531), (1592, 49765), (1990, 39812), (2152, 36815), (2690, 29452), (3980, 19906), (5380, 14726), (7363, 10760), (7960, 9953)]