1780974320

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{229507}}^1$

素因数の和:229617

約数の個数: 40

約数和(自身を含む): 4183471824

約数和(自身を除く): 2402497504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 229507, 459014, 918028, 1147535, 1836056, 2295070, 3672112, 4590140, 9180280, 18360560, 22262179, 44524358, 89048716, 111310895, 178097432, 222621790, 356194864, 445243580, 890487160, 1780974320]

約数ペア:

[(1, 1780974320), (2, 890487160), (4, 445243580), (5, 356194864), (8, 222621790), (10, 178097432), (16, 111310895), (20, 89048716), (40, 44524358), (80, 22262179), (97, 18360560), (194, 9180280), (388, 4590140), (485, 3672112), (776, 2295070), (970, 1836056), (1552, 1147535), (1940, 918028), (3880, 459014), (7760, 229507)]