423808520

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109229}}^1$

素因数の和:109337

約数の個数: 32

約数和(自身を含む): 963408600

約数和(自身を除く): 539600080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 109229, 218458, 436916, 546145, 873832, 1092290, 2184580, 4369160, 10595213, 21190426, 42380852, 52976065, 84761704, 105952130, 211904260, 423808520]

約数ペア:

[(1, 423808520), (2, 211904260), (4, 105952130), (5, 84761704), (8, 52976065), (10, 42380852), (20, 21190426), (40, 10595213), (97, 4369160), (194, 2184580), (388, 1092290), (485, 873832), (776, 546145), (970, 436916), (1940, 218458), (3880, 109229)]