128414980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{2609}}^1$

素因数の和:2748

約数の個数: 48

約数和(自身を含む): 284135040

約数和(自身を除く): 155720060

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 107, 115, 214, 230, 428, 460, 535, 1070, 2140, 2461, 2609, 4922, 5218, 9844, 10436, 12305, 13045, 24610, 26090, 49220, 52180, 60007, 120014, 240028, 279163, 300035, 558326, 600070, 1116652, 1200140, 1395815, 2791630, 5583260, 6420749, 12841498, 25682996, 32103745, 64207490, 128414980]

約数ペア:

[(1, 128414980), (2, 64207490), (4, 32103745), (5, 25682996), (10, 12841498), (20, 6420749), (23, 5583260), (46, 2791630), (92, 1395815), (107, 1200140), (115, 1116652), (214, 600070), (230, 558326), (428, 300035), (460, 279163), (535, 240028), (1070, 120014), (2140, 60007), (2461, 52180), (2609, 49220), (4922, 26090), (5218, 24610), (9844, 13045), (10436, 12305)]