420190625

素因数分解:

$5^5\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 556839360

約数和(自身を除く): 136648735

約数列:

[1, 5, 25, 43, 53, 59, 125, 215, 265, 295, 625, 1075, 1325, 1475, 2279, 2537, 3125, 3127, 5375, 6625, 7375, 11395, 12685, 15635, 26875, 33125, 36875, 56975, 63425, 78175, 134375, 134461, 165625, 184375, 284875, 317125, 390875, 672305, 1424375, 1585625, 1954375, 3361525, 7121875, 7928125, 9771875, 16807625, 84038125, 420190625]

約数ペア:

[(1, 420190625), (5, 84038125), (25, 16807625), (43, 9771875), (53, 7928125), (59, 7121875), (125, 3361525), (215, 1954375), (265, 1585625), (295, 1424375), (625, 672305), (1075, 390875), (1325, 317125), (1475, 284875), (2279, 184375), (2537, 165625), (3125, 134461), (3127, 134375), (5375, 78175), (6625, 63425), (7375, 56975), (11395, 36875), (12685, 33125), (15635, 26875)]