71984060

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{311}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 154732032

約数和(自身を除く): 82747972

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 163, 284, 311, 326, 355, 622, 652, 710, 815, 1244, 1420, 1555, 1630, 3110, 3260, 6220, 11573, 22081, 23146, 44162, 46292, 50693, 57865, 88324, 101386, 110405, 115730, 202772, 220810, 231460, 253465, 441620, 506930, 1013860, 3599203, 7198406, 14396812, 17996015, 35992030, 71984060]

約数ペア:

[(1, 71984060), (2, 35992030), (4, 17996015), (5, 14396812), (10, 7198406), (20, 3599203), (71, 1013860), (142, 506930), (163, 441620), (284, 253465), (311, 231460), (326, 220810), (355, 202772), (622, 115730), (652, 110405), (710, 101386), (815, 88324), (1244, 57865), (1420, 50693), (1555, 46292), (1630, 44162), (3110, 23146), (3260, 22081), (6220, 11573)]