21141330400

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{44867}}^1$

素因数の和:44937

約数の個数: 144

約数和(自身を含む): 56081410560

約数和(自身を除く): 34940080160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 32, 38, 40, 50, 62, 76, 80, 95, 100, 124, 152, 155, 160, 190, 200, 248, 304, 310, 380, 400, 475, 496, 589, 608, 620, 760, 775, 800, 950, 992, 1178, 1240, 1520, 1550, 1900, 2356, 2480, 2945, 3040, 3100, 3800, 4712, 4960, 5890, 6200, 7600, 9424, 11780, 12400, 14725, 15200, 18848, 23560, 24800, 29450, 44867, 47120, 58900, 89734, 94240, 117800, 179468, 224335, 235600, 358936, 448670, 471200, 717872, 852473, 897340, 1121675, 1390877, 1435744, 1704946, 1794680, 2243350, 2781754, 3409892, 3589360, 4262365, 4486700, 5563508, 6819784, 6954385, 7178720, 8524730, 8973400, 11127016, 13639568, 13908770, 17049460, 17946800, 21311825, 22254032, 26426663, 27279136, 27817540, 34098920, 34771925, 35893600, 42623650, 44508064, 52853326, 55635080, 68197840, 69543850, 85247300, 105706652, 111270160, 132133315, 136395680, 139087700, 170494600, 211413304, 222540320, 264266630, 278175400, 340989200, 422826608, 528533260, 556350800, 660666575, 681978400, 845653216, 1057066520, 1112701600, 1321333150, 2114133040, 2642666300, 4228266080, 5285332600, 10570665200, 21141330400]

約数ペア:

[(1, 21141330400), (2, 10570665200), (4, 5285332600), (5, 4228266080), (8, 2642666300), (10, 2114133040), (16, 1321333150), (19, 1112701600), (20, 1057066520), (25, 845653216), (31, 681978400), (32, 660666575), (38, 556350800), (40, 528533260), (50, 422826608), (62, 340989200), (76, 278175400), (80, 264266630), (95, 222540320), (100, 211413304), (124, 170494600), (152, 139087700), (155, 136395680), (160, 132133315), (190, 111270160), (200, 105706652), (248, 85247300), (304, 69543850), (310, 68197840), (380, 55635080), (400, 52853326), (475, 44508064), (496, 42623650), (589, 35893600), (608, 34771925), (620, 34098920), (760, 27817540), (775, 27279136), (800, 26426663), (950, 22254032), (992, 21311825), (1178, 17946800), (1240, 17049460), (1520, 13908770), (1550, 13639568), (1900, 11127016), (2356, 8973400), (2480, 8524730), (2945, 7178720), (3040, 6954385), (3100, 6819784), (3800, 5563508), (4712, 4486700), (4960, 4262365), (5890, 3589360), (6200, 3409892), (7600, 2781754), (9424, 2243350), (11780, 1794680), (12400, 1704946), (14725, 1435744), (15200, 1390877), (18848, 1121675), (23560, 897340), (24800, 852473), (29450, 717872), (44867, 471200), (47120, 448670), (58900, 358936), (89734, 235600), (94240, 224335), (117800, 179468)]