28114900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:505

約数の個数: 72

約数和(自身を含む): 67808160

約数和(自身を除く): 39693260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 61, 100, 110, 122, 220, 244, 275, 305, 419, 550, 610, 671, 838, 1100, 1220, 1342, 1525, 1676, 2095, 2684, 3050, 3355, 4190, 4609, 6100, 6710, 8380, 9218, 10475, 13420, 16775, 18436, 20950, 23045, 25559, 33550, 41900, 46090, 51118, 67100, 92180, 102236, 115225, 127795, 230450, 255590, 281149, 460900, 511180, 562298, 638975, 1124596, 1277950, 1405745, 2555900, 2811490, 5622980, 7028725, 14057450, 28114900]

約数ペア:

[(1, 28114900), (2, 14057450), (4, 7028725), (5, 5622980), (10, 2811490), (11, 2555900), (20, 1405745), (22, 1277950), (25, 1124596), (44, 638975), (50, 562298), (55, 511180), (61, 460900), (100, 281149), (110, 255590), (122, 230450), (220, 127795), (244, 115225), (275, 102236), (305, 92180), (419, 67100), (550, 51118), (610, 46090), (671, 41900), (838, 33550), (1100, 25559), (1220, 23045), (1342, 20950), (1525, 18436), (1676, 16775), (2095, 13420), (2684, 10475), (3050, 9218), (3355, 8380), (4190, 6710), (4609, 6100)]