2407900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{199}}^1$

素因数の和:235

約数の個数: 54

約数和(自身を含む): 5772200

約数和(自身を除く): 3364300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 199, 220, 242, 275, 398, 484, 550, 605, 796, 995, 1100, 1210, 1990, 2189, 2420, 3025, 3980, 4378, 4975, 6050, 8756, 9950, 10945, 12100, 19900, 21890, 24079, 43780, 48158, 54725, 96316, 109450, 120395, 218900, 240790, 481580, 601975, 1203950, 2407900]

約数ペア:

[(1, 2407900), (2, 1203950), (4, 601975), (5, 481580), (10, 240790), (11, 218900), (20, 120395), (22, 109450), (25, 96316), (44, 54725), (50, 48158), (55, 43780), (100, 24079), (110, 21890), (121, 19900), (199, 12100), (220, 10945), (242, 9950), (275, 8756), (398, 6050), (484, 4975), (550, 4378), (605, 3980), (796, 3025), (995, 2420), (1100, 2189), (1210, 1990)]