123020457980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{739}}^1\times {\mathrm{1189063}}^1$

素因数の和:1189818

約数の個数: 48

約数和(自身を含む): 295648872960

約数和(自身を除く): 172628414980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 739, 1478, 2956, 3695, 5173, 7390, 10346, 14780, 20692, 25865, 51730, 103460, 1189063, 2378126, 4756252, 5945315, 8323441, 11890630, 16646882, 23781260, 33293764, 41617205, 83234410, 166468820, 878717557, 1757435114, 3514870228, 4393587785, 6151022899, 8787175570, 12302045798, 17574351140, 24604091596, 30755114495, 61510228990, 123020457980]

約数ペア:

[(1, 123020457980), (2, 61510228990), (4, 30755114495), (5, 24604091596), (7, 17574351140), (10, 12302045798), (14, 8787175570), (20, 6151022899), (28, 4393587785), (35, 3514870228), (70, 1757435114), (140, 878717557), (739, 166468820), (1478, 83234410), (2956, 41617205), (3695, 33293764), (5173, 23781260), (7390, 16646882), (10346, 11890630), (14780, 8323441), (20692, 5945315), (25865, 4756252), (51730, 2378126), (103460, 1189063)]