30528940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6907}}^1$

素因数の和:6946

約数の個数: 48

約数和(自身を含む): 73114272

約数和(自身を除く): 42585332

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, 6907, 13814, 27628, 34535, 69070, 89791, 117419, 138140, 179582, 234838, 359164, 448955, 469676, 587095, 897910, 1174190, 1526447, 1795820, 2348380, 3052894, 6105788, 7632235, 15264470, 30528940]

約数ペア:

[(1, 30528940), (2, 15264470), (4, 7632235), (5, 6105788), (10, 3052894), (13, 2348380), (17, 1795820), (20, 1526447), (26, 1174190), (34, 897910), (52, 587095), (65, 469676), (68, 448955), (85, 359164), (130, 234838), (170, 179582), (221, 138140), (260, 117419), (340, 89791), (442, 69070), (884, 34535), (1105, 27628), (2210, 13814), (4420, 6907)]