84989140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:361

約数の個数: 72

約数和(自身を含む): 193704840

約数和(自身を除く): 108715700

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 92, 115, 116, 145, 230, 277, 290, 460, 529, 554, 580, 667, 1058, 1108, 1334, 1385, 2116, 2645, 2668, 2770, 3335, 5290, 5540, 6371, 6670, 8033, 10580, 12742, 13340, 15341, 16066, 25484, 30682, 31855, 32132, 40165, 61364, 63710, 76705, 80330, 127420, 146533, 153410, 160660, 184759, 293066, 306820, 369518, 586132, 732665, 739036, 923795, 1465330, 1847590, 2930660, 3695180, 4249457, 8498914, 16997828, 21247285, 42494570, 84989140]

約数ペア:

[(1, 84989140), (2, 42494570), (4, 21247285), (5, 16997828), (10, 8498914), (20, 4249457), (23, 3695180), (29, 2930660), (46, 1847590), (58, 1465330), (92, 923795), (115, 739036), (116, 732665), (145, 586132), (230, 369518), (277, 306820), (290, 293066), (460, 184759), (529, 160660), (554, 153410), (580, 146533), (667, 127420), (1058, 80330), (1108, 76705), (1334, 63710), (1385, 61364), (2116, 40165), (2645, 32132), (2668, 31855), (2770, 30682), (3335, 25484), (5290, 16066), (5540, 15341), (6371, 13340), (6670, 12742), (8033, 10580)]