2721950

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1$

素因数の和:138

約数の個数: 72

約数和(自身を含む): 6488424

約数和(自身を除く): 3766474

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 49, 50, 55, 70, 77, 98, 101, 110, 154, 175, 202, 245, 275, 350, 385, 490, 505, 539, 550, 707, 770, 1010, 1078, 1111, 1225, 1414, 1925, 2222, 2450, 2525, 2695, 3535, 3850, 4949, 5050, 5390, 5555, 7070, 7777, 9898, 11110, 13475, 15554, 17675, 24745, 26950, 27775, 35350, 38885, 49490, 54439, 55550, 77770, 108878, 123725, 194425, 247450, 272195, 388850, 544390, 1360975, 2721950]

約数ペア:

[(1, 2721950), (2, 1360975), (5, 544390), (7, 388850), (10, 272195), (11, 247450), (14, 194425), (22, 123725), (25, 108878), (35, 77770), (49, 55550), (50, 54439), (55, 49490), (70, 38885), (77, 35350), (98, 27775), (101, 26950), (110, 24745), (154, 17675), (175, 15554), (202, 13475), (245, 11110), (275, 9898), (350, 7777), (385, 7070), (490, 5555), (505, 5390), (539, 5050), (550, 4949), (707, 3850), (770, 3535), (1010, 2695), (1078, 2525), (1111, 2450), (1225, 2222), (1414, 1925)]