290438250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 768268800

約数和(自身を除く): 477830550

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 69, 75, 113, 115, 125, 138, 149, 150, 226, 230, 250, 298, 339, 345, 375, 447, 565, 575, 678, 690, 745, 750, 894, 1130, 1150, 1490, 1695, 1725, 2235, 2599, 2825, 2875, 3390, 3427, 3450, 3725, 4470, 5198, 5650, 5750, 6854, 7450, 7797, 8475, 8625, 10281, 11175, 12995, 14125, 15594, 16837, 16950, 17135, 17250, 18625, 20562, 22350, 25990, 28250, 33674, 34270, 37250, 38985, 42375, 50511, 51405, 55875, 64975, 77970, 84185, 84750, 85675, 101022, 102810, 111750, 129950, 168370, 171350, 194925, 252555, 257025, 324875, 387251, 389850, 420925, 428375, 505110, 514050, 649750, 774502, 841850, 856750, 974625, 1161753, 1262775, 1285125, 1936255, 1949250, 2104625, 2323506, 2525550, 2570250, 3872510, 4209250, 5808765, 6313875, 9681275, 11617530, 12627750, 19362550, 29043825, 48406375, 58087650, 96812750, 145219125, 290438250]

約数ペア:

[(1, 290438250), (2, 145219125), (3, 96812750), (5, 58087650), (6, 48406375), (10, 29043825), (15, 19362550), (23, 12627750), (25, 11617530), (30, 9681275), (46, 6313875), (50, 5808765), (69, 4209250), (75, 3872510), (113, 2570250), (115, 2525550), (125, 2323506), (138, 2104625), (149, 1949250), (150, 1936255), (226, 1285125), (230, 1262775), (250, 1161753), (298, 974625), (339, 856750), (345, 841850), (375, 774502), (447, 649750), (565, 514050), (575, 505110), (678, 428375), (690, 420925), (745, 389850), (750, 387251), (894, 324875), (1130, 257025), (1150, 252555), (1490, 194925), (1695, 171350), (1725, 168370), (2235, 129950), (2599, 111750), (2825, 102810), (2875, 101022), (3390, 85675), (3427, 84750), (3450, 84185), (3725, 77970), (4470, 64975), (5198, 55875), (5650, 51405), (5750, 50511), (6854, 42375), (7450, 38985), (7797, 37250), (8475, 34270), (8625, 33674), (10281, 28250), (11175, 25990), (12995, 22350), (14125, 20562), (15594, 18625), (16837, 17250), (16950, 17135)]