291289150

素因数分解:

$2^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{163}}^1\times {\mathrm{347}}^1$

素因数の和:625

約数の個数: 48

約数和(自身を含む): 552000384

約数和(自身を除く): 260711234

約数列:

[1, 2, 5, 10, 25, 50, 103, 163, 206, 326, 347, 515, 694, 815, 1030, 1630, 1735, 2575, 3470, 4075, 5150, 8150, 8675, 16789, 17350, 33578, 35741, 56561, 71482, 83945, 113122, 167890, 178705, 282805, 357410, 419725, 565610, 839450, 893525, 1414025, 1787050, 2828050, 5825783, 11651566, 29128915, 58257830, 145644575, 291289150]

約数ペア:

[(1, 291289150), (2, 145644575), (5, 58257830), (10, 29128915), (25, 11651566), (50, 5825783), (103, 2828050), (163, 1787050), (206, 1414025), (326, 893525), (347, 839450), (515, 565610), (694, 419725), (815, 357410), (1030, 282805), (1630, 178705), (1735, 167890), (2575, 113122), (3470, 83945), (4075, 71482), (5150, 56561), (8150, 35741), (8675, 33578), (16789, 17350)]