196284580

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1\times {\mathrm{461}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 421066800

約数和(自身を除く): 224782220

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 349, 461, 610, 698, 922, 1220, 1396, 1745, 1844, 2305, 3490, 4610, 6980, 9220, 21289, 28121, 42578, 56242, 85156, 106445, 112484, 140605, 160889, 212890, 281210, 321778, 425780, 562420, 643556, 804445, 1608890, 3217780, 9814229, 19628458, 39256916, 49071145, 98142290, 196284580]

約数ペア:

[(1, 196284580), (2, 98142290), (4, 49071145), (5, 39256916), (10, 19628458), (20, 9814229), (61, 3217780), (122, 1608890), (244, 804445), (305, 643556), (349, 562420), (461, 425780), (610, 321778), (698, 281210), (922, 212890), (1220, 160889), (1396, 140605), (1745, 112484), (1844, 106445), (2305, 85156), (3490, 56242), (4610, 42578), (6980, 28121), (9220, 21289)]