128520550

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:214

約数の個数: 72

約数和(自身を含む): 257967864

約数和(自身を除く): 129447314

約数列:

[1, 2, 5, 10, 23, 25, 43, 46, 50, 86, 113, 115, 215, 226, 230, 430, 529, 565, 575, 989, 1058, 1075, 1130, 1150, 1978, 2150, 2599, 2645, 2825, 4859, 4945, 5198, 5290, 5650, 9718, 9890, 12995, 13225, 22747, 24295, 24725, 25990, 26450, 45494, 48590, 49450, 59777, 64975, 111757, 113735, 119554, 121475, 129950, 223514, 227470, 242950, 298885, 558785, 568675, 597770, 1117570, 1137350, 1494425, 2570411, 2793925, 2988850, 5140822, 5587850, 12852055, 25704110, 64260275, 128520550]

約数ペア:

[(1, 128520550), (2, 64260275), (5, 25704110), (10, 12852055), (23, 5587850), (25, 5140822), (43, 2988850), (46, 2793925), (50, 2570411), (86, 1494425), (113, 1137350), (115, 1117570), (215, 597770), (226, 568675), (230, 558785), (430, 298885), (529, 242950), (565, 227470), (575, 223514), (989, 129950), (1058, 121475), (1075, 119554), (1130, 113735), (1150, 111757), (1978, 64975), (2150, 59777), (2599, 49450), (2645, 48590), (2825, 45494), (4859, 26450), (4945, 25990), (5198, 24725), (5290, 24295), (5650, 22747), (9718, 13225), (9890, 12995)]