66144700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1123}}^1$

素因数の和:1187

約数の個数: 72

約数和(自身を含む): 156101120

約数和(自身を除く): 89956420

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 95, 100, 124, 155, 190, 310, 380, 475, 589, 620, 775, 950, 1123, 1178, 1550, 1900, 2246, 2356, 2945, 3100, 4492, 5615, 5890, 11230, 11780, 14725, 21337, 22460, 28075, 29450, 34813, 42674, 56150, 58900, 69626, 85348, 106685, 112300, 139252, 174065, 213370, 348130, 426740, 533425, 661447, 696260, 870325, 1066850, 1322894, 1740650, 2133700, 2645788, 3307235, 3481300, 6614470, 13228940, 16536175, 33072350, 66144700]

約数ペア:

[(1, 66144700), (2, 33072350), (4, 16536175), (5, 13228940), (10, 6614470), (19, 3481300), (20, 3307235), (25, 2645788), (31, 2133700), (38, 1740650), (50, 1322894), (62, 1066850), (76, 870325), (95, 696260), (100, 661447), (124, 533425), (155, 426740), (190, 348130), (310, 213370), (380, 174065), (475, 139252), (589, 112300), (620, 106685), (775, 85348), (950, 69626), (1123, 58900), (1178, 56150), (1550, 42674), (1900, 34813), (2246, 29450), (2356, 28075), (2945, 22460), (3100, 21337), (4492, 14725), (5615, 11780), (5890, 11230)]