122209900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:655

約数の個数: 72

約数和(自身を含む): 281856960

約数和(自身を除く): 159647060

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 131, 190, 262, 380, 475, 491, 524, 655, 950, 982, 1310, 1900, 1964, 2455, 2489, 2620, 3275, 4910, 4978, 6550, 9329, 9820, 9956, 12275, 12445, 13100, 18658, 24550, 24890, 37316, 46645, 49100, 49780, 62225, 64321, 93290, 124450, 128642, 186580, 233225, 248900, 257284, 321605, 466450, 643210, 932900, 1222099, 1286420, 1608025, 2444198, 3216050, 4888396, 6110495, 6432100, 12220990, 24441980, 30552475, 61104950, 122209900]

約数ペア:

[(1, 122209900), (2, 61104950), (4, 30552475), (5, 24441980), (10, 12220990), (19, 6432100), (20, 6110495), (25, 4888396), (38, 3216050), (50, 2444198), (76, 1608025), (95, 1286420), (100, 1222099), (131, 932900), (190, 643210), (262, 466450), (380, 321605), (475, 257284), (491, 248900), (524, 233225), (655, 186580), (950, 128642), (982, 124450), (1310, 93290), (1900, 64321), (1964, 62225), (2455, 49780), (2489, 49100), (2620, 46645), (3275, 37316), (4910, 24890), (4978, 24550), (6550, 18658), (9329, 13100), (9820, 12445), (9956, 12275)]