7942820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 17998848

約数和(自身を除く): 10056028

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 557, 620, 713, 1114, 1426, 2228, 2785, 2852, 3565, 5570, 7130, 11140, 12811, 14260, 17267, 25622, 34534, 51244, 64055, 69068, 86335, 128110, 172670, 256220, 345340, 397141, 794282, 1588564, 1985705, 3971410, 7942820]

約数ペア:

[(1, 7942820), (2, 3971410), (4, 1985705), (5, 1588564), (10, 794282), (20, 397141), (23, 345340), (31, 256220), (46, 172670), (62, 128110), (92, 86335), (115, 69068), (124, 64055), (155, 51244), (230, 34534), (310, 25622), (460, 17267), (557, 14260), (620, 12811), (713, 11140), (1114, 7130), (1426, 5570), (2228, 3565), (2785, 2852)]