123207020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{10459}}^1$

素因数の和:10518

約数の個数: 48

約数和(自身を含む): 281164800

約数和(自身を除く): 157957780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 10459, 11780, 20918, 41836, 52295, 104590, 198721, 209180, 324229, 397442, 648458, 794884, 993605, 1296916, 1621145, 1987210, 3242290, 3974420, 6160351, 6484580, 12320702, 24641404, 30801755, 61603510, 123207020]

約数ペア:

[(1, 123207020), (2, 61603510), (4, 30801755), (5, 24641404), (10, 12320702), (19, 6484580), (20, 6160351), (31, 3974420), (38, 3242290), (62, 1987210), (76, 1621145), (95, 1296916), (124, 993605), (155, 794884), (190, 648458), (310, 397442), (380, 324229), (589, 209180), (620, 198721), (1178, 104590), (2356, 52295), (2945, 41836), (5890, 20918), (10459, 11780)]