28129750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 58833216

約数和(自身を除く): 30703466

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 53, 55, 106, 110, 125, 193, 250, 265, 275, 386, 530, 550, 583, 965, 1166, 1325, 1375, 1930, 2123, 2650, 2750, 2915, 4246, 4825, 5830, 6625, 9650, 10229, 10615, 13250, 14575, 20458, 21230, 24125, 29150, 48250, 51145, 53075, 72875, 102290, 106150, 112519, 145750, 225038, 255725, 265375, 511450, 530750, 562595, 1125190, 1278625, 2557250, 2812975, 5625950, 14064875, 28129750]

約数ペア:

[(1, 28129750), (2, 14064875), (5, 5625950), (10, 2812975), (11, 2557250), (22, 1278625), (25, 1125190), (50, 562595), (53, 530750), (55, 511450), (106, 265375), (110, 255725), (125, 225038), (193, 145750), (250, 112519), (265, 106150), (275, 102290), (386, 72875), (530, 53075), (550, 51145), (583, 48250), (965, 29150), (1166, 24125), (1325, 21230), (1375, 20458), (1930, 14575), (2123, 13250), (2650, 10615), (2750, 10229), (2915, 9650), (4246, 6625), (4825, 5830)]