76991980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{17419}}^1$

素因数の和:17458

約数の個数: 48

約数和(自身を含む): 184373280

約数和(自身を除く): 107381300

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 17419, 34838, 69676, 87095, 174190, 226447, 296123, 348380, 452894, 592246, 905788, 1132235, 1184492, 1480615, 2264470, 2961230, 3849599, 4528940, 5922460, 7699198, 15398396, 19247995, 38495990, 76991980]

約数ペア:

[(1, 76991980), (2, 38495990), (4, 19247995), (5, 15398396), (10, 7699198), (13, 5922460), (17, 4528940), (20, 3849599), (26, 2961230), (34, 2264470), (52, 1480615), (65, 1184492), (68, 1132235), (85, 905788), (130, 592246), (170, 452894), (221, 348380), (260, 296123), (340, 226447), (442, 174190), (884, 87095), (1105, 69676), (2210, 34838), (4420, 17419)]