1900384420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{761}}^1\times {\mathrm{11351}}^1$

素因数の和:12132

約数の個数: 48

約数和(自身を含む): 4359712896

約数和(自身を除く): 2459328476

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 761, 1522, 3044, 3805, 7610, 8371, 11351, 15220, 16742, 22702, 33484, 41855, 45404, 56755, 83710, 113510, 124861, 167420, 227020, 249722, 499444, 624305, 1248610, 2497220, 8638111, 17276222, 34552444, 43190555, 86381110, 95019221, 172762220, 190038442, 380076884, 475096105, 950192210, 1900384420]

約数ペア:

[(1, 1900384420), (2, 950192210), (4, 475096105), (5, 380076884), (10, 190038442), (11, 172762220), (20, 95019221), (22, 86381110), (44, 43190555), (55, 34552444), (110, 17276222), (220, 8638111), (761, 2497220), (1522, 1248610), (3044, 624305), (3805, 499444), (7610, 249722), (8371, 227020), (11351, 167420), (15220, 124861), (16742, 113510), (22702, 83710), (33484, 56755), (41855, 45404)]