4123900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 10249344

約数和(自身を除く): 6125444

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 92, 100, 110, 115, 163, 220, 230, 253, 275, 326, 460, 506, 550, 575, 652, 815, 1012, 1100, 1150, 1265, 1630, 1793, 2300, 2530, 3260, 3586, 3749, 4075, 5060, 6325, 7172, 7498, 8150, 8965, 12650, 14996, 16300, 17930, 18745, 25300, 35860, 37490, 41239, 44825, 74980, 82478, 89650, 93725, 164956, 179300, 187450, 206195, 374900, 412390, 824780, 1030975, 2061950, 4123900]

約数ペア:

[(1, 4123900), (2, 2061950), (4, 1030975), (5, 824780), (10, 412390), (11, 374900), (20, 206195), (22, 187450), (23, 179300), (25, 164956), (44, 93725), (46, 89650), (50, 82478), (55, 74980), (92, 44825), (100, 41239), (110, 37490), (115, 35860), (163, 25300), (220, 18745), (230, 17930), (253, 16300), (275, 14996), (326, 12650), (460, 8965), (506, 8150), (550, 7498), (575, 7172), (652, 6325), (815, 5060), (1012, 4075), (1100, 3749), (1150, 3586), (1265, 3260), (1630, 2530), (1793, 2300)]