20444603900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{103}}^2\times {\mathrm{2753}}^1$

素因数の和:2980

約数の個数: 108

約数和(自身を含む): 51218253072

約数和(自身を除く): 30773649172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 103, 140, 175, 206, 350, 412, 515, 700, 721, 1030, 1442, 2060, 2575, 2753, 2884, 3605, 5150, 5506, 7210, 10300, 10609, 11012, 13765, 14420, 18025, 19271, 21218, 27530, 36050, 38542, 42436, 53045, 55060, 68825, 72100, 74263, 77084, 96355, 106090, 137650, 148526, 192710, 212180, 265225, 275300, 283559, 297052, 371315, 385420, 481775, 530450, 567118, 742630, 963550, 1060900, 1134236, 1417795, 1485260, 1856575, 1927100, 1984913, 2835590, 3713150, 3969826, 5671180, 7088975, 7426300, 7939652, 9924565, 14177950, 19849130, 28355900, 29206577, 39698260, 49622825, 58413154, 99245650, 116826308, 146032885, 198491300, 204446039, 292065770, 408892078, 584131540, 730164425, 817784156, 1022230195, 1460328850, 2044460390, 2920657700, 4088920780, 5111150975, 10222301950, 20444603900]

約数ペア:

[(1, 20444603900), (2, 10222301950), (4, 5111150975), (5, 4088920780), (7, 2920657700), (10, 2044460390), (14, 1460328850), (20, 1022230195), (25, 817784156), (28, 730164425), (35, 584131540), (50, 408892078), (70, 292065770), (100, 204446039), (103, 198491300), (140, 146032885), (175, 116826308), (206, 99245650), (350, 58413154), (412, 49622825), (515, 39698260), (700, 29206577), (721, 28355900), (1030, 19849130), (1442, 14177950), (2060, 9924565), (2575, 7939652), (2753, 7426300), (2884, 7088975), (3605, 5671180), (5150, 3969826), (5506, 3713150), (7210, 2835590), (10300, 1984913), (10609, 1927100), (11012, 1856575), (13765, 1485260), (14420, 1417795), (18025, 1134236), (19271, 1060900), (21218, 963550), (27530, 742630), (36050, 567118), (38542, 530450), (42436, 481775), (53045, 385420), (55060, 371315), (68825, 297052), (72100, 283559), (74263, 275300), (77084, 265225), (96355, 212180), (106090, 192710), (137650, 148526)]