695980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 1632960

約数和(自身を除く): 936980

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 89, 92, 115, 170, 178, 230, 340, 356, 391, 445, 460, 782, 890, 1513, 1564, 1780, 1955, 2047, 3026, 3910, 4094, 6052, 7565, 7820, 8188, 10235, 15130, 20470, 30260, 34799, 40940, 69598, 139196, 173995, 347990, 695980]

約数ペア:

[(1, 695980), (2, 347990), (4, 173995), (5, 139196), (10, 69598), (17, 40940), (20, 34799), (23, 30260), (34, 20470), (46, 15130), (68, 10235), (85, 8188), (89, 7820), (92, 7565), (115, 6052), (170, 4094), (178, 3910), (230, 3026), (340, 2047), (356, 1955), (391, 1780), (445, 1564), (460, 1513), (782, 890)]