67638100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{367}}^1$

素因数の和:497

約数の個数: 72

約数和(自身を含む): 156517760

約数和(自身を除く): 88879660

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 97, 100, 190, 194, 367, 380, 388, 475, 485, 734, 950, 970, 1468, 1835, 1843, 1900, 1940, 2425, 3670, 3686, 4850, 6973, 7340, 7372, 9175, 9215, 9700, 13946, 18350, 18430, 27892, 34865, 35599, 36700, 36860, 46075, 69730, 71198, 92150, 139460, 142396, 174325, 177995, 184300, 348650, 355990, 676381, 697300, 711980, 889975, 1352762, 1779950, 2705524, 3381905, 3559900, 6763810, 13527620, 16909525, 33819050, 67638100]

約数ペア:

[(1, 67638100), (2, 33819050), (4, 16909525), (5, 13527620), (10, 6763810), (19, 3559900), (20, 3381905), (25, 2705524), (38, 1779950), (50, 1352762), (76, 889975), (95, 711980), (97, 697300), (100, 676381), (190, 355990), (194, 348650), (367, 184300), (380, 177995), (388, 174325), (475, 142396), (485, 139460), (734, 92150), (950, 71198), (970, 69730), (1468, 46075), (1835, 36860), (1843, 36700), (1900, 35599), (1940, 34865), (2425, 27892), (3670, 18430), (3686, 18350), (4850, 13946), (6973, 9700), (7340, 9215), (7372, 9175)]