213831700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{112543}}^1$

素因数の和:112576

約数の個数: 36

約数和(自身を含む): 488440960

約数和(自身を除く): 274609260

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 112543, 225086, 450172, 562715, 1125430, 2138317, 2250860, 2813575, 4276634, 5627150, 8553268, 10691585, 11254300, 21383170, 42766340, 53457925, 106915850, 213831700]

約数ペア:

[(1, 213831700), (2, 106915850), (4, 53457925), (5, 42766340), (10, 21383170), (19, 11254300), (20, 10691585), (25, 8553268), (38, 5627150), (50, 4276634), (76, 2813575), (95, 2250860), (100, 2138317), (190, 1125430), (380, 562715), (475, 450172), (950, 225086), (1900, 112543)]