89459980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{593}}^1$

素因数の和:1018

約数の個数: 48

約数和(自身を含む): 198586080

約数和(自身を除く): 109126100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 397, 593, 794, 1186, 1588, 1985, 2372, 2965, 3970, 5930, 7543, 7940, 11267, 11860, 15086, 22534, 30172, 37715, 45068, 56335, 75430, 112670, 150860, 225340, 235421, 470842, 941684, 1177105, 2354210, 4472999, 4708420, 8945998, 17891996, 22364995, 44729990, 89459980]

約数ペア:

[(1, 89459980), (2, 44729990), (4, 22364995), (5, 17891996), (10, 8945998), (19, 4708420), (20, 4472999), (38, 2354210), (76, 1177105), (95, 941684), (190, 470842), (380, 235421), (397, 225340), (593, 150860), (794, 112670), (1186, 75430), (1588, 56335), (1985, 45068), (2372, 37715), (2965, 30172), (3970, 22534), (5930, 15086), (7543, 11860), (7940, 11267)]