38644100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2$

素因数の和:130

約数の個数: 108

約数和(自身を含む): 98587440

約数和(自身を除く): 59943340

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 43, 44, 50, 55, 76, 86, 95, 100, 110, 172, 190, 209, 215, 220, 275, 380, 418, 430, 473, 475, 550, 817, 836, 860, 946, 950, 1045, 1075, 1100, 1634, 1849, 1892, 1900, 2090, 2150, 2365, 3268, 3698, 4085, 4180, 4300, 4730, 5225, 7396, 8170, 8987, 9245, 9460, 10450, 11825, 16340, 17974, 18490, 20339, 20425, 20900, 23650, 35131, 35948, 36980, 40678, 40850, 44935, 46225, 47300, 70262, 81356, 81700, 89870, 92450, 101695, 140524, 175655, 179740, 184900, 203390, 224675, 351310, 386441, 406780, 449350, 508475, 702620, 772882, 878275, 898700, 1016950, 1545764, 1756550, 1932205, 2033900, 3513100, 3864410, 7728820, 9661025, 19322050, 38644100]

約数ペア:

[(1, 38644100), (2, 19322050), (4, 9661025), (5, 7728820), (10, 3864410), (11, 3513100), (19, 2033900), (20, 1932205), (22, 1756550), (25, 1545764), (38, 1016950), (43, 898700), (44, 878275), (50, 772882), (55, 702620), (76, 508475), (86, 449350), (95, 406780), (100, 386441), (110, 351310), (172, 224675), (190, 203390), (209, 184900), (215, 179740), (220, 175655), (275, 140524), (380, 101695), (418, 92450), (430, 89870), (473, 81700), (475, 81356), (550, 70262), (817, 47300), (836, 46225), (860, 44935), (946, 40850), (950, 40678), (1045, 36980), (1075, 35948), (1100, 35131), (1634, 23650), (1849, 20900), (1892, 20425), (1900, 20339), (2090, 18490), (2150, 17974), (2365, 16340), (3268, 11825), (3698, 10450), (4085, 9460), (4180, 9245), (4300, 8987), (4730, 8170), (5225, 7396)]