30237220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6841}}^1$

素因数の和:6880

約数の個数: 48

約数和(自身を含む): 72415728

約数和(自身を除く): 42178508

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, 6841, 13682, 27364, 34205, 68410, 88933, 116297, 136820, 177866, 232594, 355732, 444665, 465188, 581485, 889330, 1162970, 1511861, 1778660, 2325940, 3023722, 6047444, 7559305, 15118610, 30237220]

約数ペア:

[(1, 30237220), (2, 15118610), (4, 7559305), (5, 6047444), (10, 3023722), (13, 2325940), (17, 1778660), (20, 1511861), (26, 1162970), (34, 889330), (52, 581485), (65, 465188), (68, 444665), (85, 355732), (130, 232594), (170, 177866), (221, 136820), (260, 116297), (340, 88933), (442, 68410), (884, 34205), (1105, 27364), (2210, 13682), (4420, 6841)]