1229647550

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^2\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:394

約数の個数: 72

約数和(自身を含む): 2392947288

約数和(自身を除く): 1163299738

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 157, 163, 310, 314, 326, 775, 785, 815, 961, 1550, 1570, 1630, 1922, 3925, 4075, 4805, 4867, 5053, 7850, 8150, 9610, 9734, 10106, 24025, 24335, 25265, 25591, 48050, 48670, 50530, 51182, 121675, 126325, 127955, 150877, 156643, 243350, 252650, 255910, 301754, 313286, 639775, 754385, 783215, 793321, 1279550, 1508770, 1566430, 1586642, 3771925, 3916075, 3966605, 7543850, 7832150, 7933210, 19833025, 24592951, 39666050, 49185902, 122964755, 245929510, 614823775, 1229647550]

約数ペア:

[(1, 1229647550), (2, 614823775), (5, 245929510), (10, 122964755), (25, 49185902), (31, 39666050), (50, 24592951), (62, 19833025), (155, 7933210), (157, 7832150), (163, 7543850), (310, 3966605), (314, 3916075), (326, 3771925), (775, 1586642), (785, 1566430), (815, 1508770), (961, 1279550), (1550, 793321), (1570, 783215), (1630, 754385), (1922, 639775), (3925, 313286), (4075, 301754), (4805, 255910), (4867, 252650), (5053, 243350), (7850, 156643), (8150, 150877), (9610, 127955), (9734, 126325), (10106, 121675), (24025, 51182), (24335, 50530), (25265, 48670), (25591, 48050)]