99042820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2687}}^1$

素因数の和:2812

約数の個数: 48

約数和(自身を含む): 221276160

約数和(自身を除く): 122233340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 380, 388, 485, 970, 1843, 1940, 2687, 3686, 5374, 7372, 9215, 10748, 13435, 18430, 26870, 36860, 51053, 53740, 102106, 204212, 255265, 260639, 510530, 521278, 1021060, 1042556, 1303195, 2606390, 4952141, 5212780, 9904282, 19808564, 24760705, 49521410, 99042820]

約数ペア:

[(1, 99042820), (2, 49521410), (4, 24760705), (5, 19808564), (10, 9904282), (19, 5212780), (20, 4952141), (38, 2606390), (76, 1303195), (95, 1042556), (97, 1021060), (190, 521278), (194, 510530), (380, 260639), (388, 255265), (485, 204212), (970, 102106), (1843, 53740), (1940, 51053), (2687, 36860), (3686, 26870), (5374, 18430), (7372, 13435), (9215, 10748)]