28459000

素因数分解:

$2^3\times 5^3\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 67392000

約数和(自身を除く): 38933000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 149, 191, 200, 250, 298, 382, 500, 596, 745, 764, 955, 1000, 1192, 1490, 1528, 1910, 2980, 3725, 3820, 4775, 5960, 7450, 7640, 9550, 14900, 18625, 19100, 23875, 28459, 29800, 37250, 38200, 47750, 56918, 74500, 95500, 113836, 142295, 149000, 191000, 227672, 284590, 569180, 711475, 1138360, 1422950, 2845900, 3557375, 5691800, 7114750, 14229500, 28459000]

約数ペア:

[(1, 28459000), (2, 14229500), (4, 7114750), (5, 5691800), (8, 3557375), (10, 2845900), (20, 1422950), (25, 1138360), (40, 711475), (50, 569180), (100, 284590), (125, 227672), (149, 191000), (191, 149000), (200, 142295), (250, 113836), (298, 95500), (382, 74500), (500, 56918), (596, 47750), (745, 38200), (764, 37250), (955, 29800), (1000, 28459), (1192, 23875), (1490, 19100), (1528, 18625), (1910, 14900), (2980, 9550), (3725, 7640), (3820, 7450), (4775, 5960)]