1640894820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{943043}}^1$

素因数の和:943084

約数の個数: 48

約数和(自身を含む): 4752941760

約数和(自身を除く): 3112046940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 943043, 1886086, 2829129, 3772172, 4715215, 5658258, 9430430, 11316516, 14145645, 18860860, 27348247, 28291290, 54696494, 56582580, 82044741, 109392988, 136741235, 164089482, 273482470, 328178964, 410223705, 546964940, 820447410, 1640894820]

約数ペア:

[(1, 1640894820), (2, 820447410), (3, 546964940), (4, 410223705), (5, 328178964), (6, 273482470), (10, 164089482), (12, 136741235), (15, 109392988), (20, 82044741), (29, 56582580), (30, 54696494), (58, 28291290), (60, 27348247), (87, 18860860), (116, 14145645), (145, 11316516), (174, 9430430), (290, 5658258), (348, 4715215), (435, 3772172), (580, 2829129), (870, 1886086), (1740, 943043)]