542979880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{1399}}^1$

素因数の和:1754

約数の個数: 64

約数和(自身を含む): 1266048000

約数和(自身を除く): 723068120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 313, 620, 626, 1240, 1252, 1399, 1565, 2504, 2798, 3130, 5596, 6260, 6995, 9703, 11192, 12520, 13990, 19406, 27980, 38812, 43369, 48515, 55960, 77624, 86738, 97030, 173476, 194060, 216845, 346952, 388120, 433690, 437887, 867380, 875774, 1734760, 1751548, 2189435, 3503096, 4378870, 8757740, 13574497, 17515480, 27148994, 54297988, 67872485, 108595976, 135744970, 271489940, 542979880]

約数ペア:

[(1, 542979880), (2, 271489940), (4, 135744970), (5, 108595976), (8, 67872485), (10, 54297988), (20, 27148994), (31, 17515480), (40, 13574497), (62, 8757740), (124, 4378870), (155, 3503096), (248, 2189435), (310, 1751548), (313, 1734760), (620, 875774), (626, 867380), (1240, 437887), (1252, 433690), (1399, 388120), (1565, 346952), (2504, 216845), (2798, 194060), (3130, 173476), (5596, 97030), (6260, 86738), (6995, 77624), (9703, 55960), (11192, 48515), (12520, 43369), (13990, 38812), (19406, 27980)]