421031830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{12809}}^1$

素因数の和:13008

約数の個数: 32

約数和(自身を含む): 802418400

約数和(自身を除く): 381386570

約数列:

[1, 2, 5, 10, 19, 38, 95, 173, 190, 346, 865, 1730, 3287, 6574, 12809, 16435, 25618, 32870, 64045, 128090, 243371, 486742, 1216855, 2215957, 2433710, 4431914, 11079785, 22159570, 42103183, 84206366, 210515915, 421031830]

約数ペア:

[(1, 421031830), (2, 210515915), (5, 84206366), (10, 42103183), (19, 22159570), (38, 11079785), (95, 4431914), (173, 2433710), (190, 2215957), (346, 1216855), (865, 486742), (1730, 243371), (3287, 128090), (6574, 64045), (12809, 32870), (16435, 25618)]