28406250

素因数分解:

$2^1\times 3^2\times 5^6\times {\mathrm{101}}^1$

素因数の和:139

約数の個数: 84

約数和(自身を含む): 77694318

約数和(自身を除く): 49288068

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 101, 125, 150, 202, 225, 250, 303, 375, 450, 505, 606, 625, 750, 909, 1010, 1125, 1250, 1515, 1818, 1875, 2250, 2525, 3030, 3125, 3750, 4545, 5050, 5625, 6250, 7575, 9090, 9375, 11250, 12625, 15150, 15625, 18750, 22725, 25250, 28125, 31250, 37875, 45450, 46875, 56250, 63125, 75750, 93750, 113625, 126250, 140625, 189375, 227250, 281250, 315625, 378750, 568125, 631250, 946875, 1136250, 1578125, 1893750, 2840625, 3156250, 4734375, 5681250, 9468750, 14203125, 28406250]

約数ペア:

[(1, 28406250), (2, 14203125), (3, 9468750), (5, 5681250), (6, 4734375), (9, 3156250), (10, 2840625), (15, 1893750), (18, 1578125), (25, 1136250), (30, 946875), (45, 631250), (50, 568125), (75, 378750), (90, 315625), (101, 281250), (125, 227250), (150, 189375), (202, 140625), (225, 126250), (250, 113625), (303, 93750), (375, 75750), (450, 63125), (505, 56250), (606, 46875), (625, 45450), (750, 37875), (909, 31250), (1010, 28125), (1125, 25250), (1250, 22725), (1515, 18750), (1818, 15625), (1875, 15150), (2250, 12625), (2525, 11250), (3030, 9375), (3125, 9090), (3750, 7575), (4545, 6250), (5050, 5625)]