201415900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:224

約数の個数: 144

約数和(自身を含む): 523091520

約数和(自身を除く): 321675620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 53, 61, 70, 89, 100, 106, 122, 140, 175, 178, 212, 244, 265, 305, 350, 356, 371, 427, 445, 530, 610, 623, 700, 742, 854, 890, 1060, 1220, 1246, 1325, 1484, 1525, 1708, 1780, 1855, 2135, 2225, 2492, 2650, 3050, 3115, 3233, 3710, 4270, 4450, 4717, 5300, 5429, 6100, 6230, 6466, 7420, 8540, 8900, 9275, 9434, 10675, 10858, 12460, 12932, 15575, 16165, 18550, 18868, 21350, 21716, 22631, 23585, 27145, 31150, 32330, 33019, 37100, 38003, 42700, 45262, 47170, 54290, 62300, 64660, 66038, 76006, 80825, 90524, 94340, 108580, 113155, 117925, 132076, 135725, 152012, 161650, 165095, 190015, 226310, 235850, 271450, 287737, 323300, 330190, 380030, 452620, 471700, 542900, 565775, 575474, 660380, 760060, 825475, 950075, 1131550, 1150948, 1438685, 1650950, 1900150, 2014159, 2263100, 2877370, 3301900, 3800300, 4028318, 5754740, 7193425, 8056636, 10070795, 14386850, 20141590, 28773700, 40283180, 50353975, 100707950, 201415900]

約数ペア:

[(1, 201415900), (2, 100707950), (4, 50353975), (5, 40283180), (7, 28773700), (10, 20141590), (14, 14386850), (20, 10070795), (25, 8056636), (28, 7193425), (35, 5754740), (50, 4028318), (53, 3800300), (61, 3301900), (70, 2877370), (89, 2263100), (100, 2014159), (106, 1900150), (122, 1650950), (140, 1438685), (175, 1150948), (178, 1131550), (212, 950075), (244, 825475), (265, 760060), (305, 660380), (350, 575474), (356, 565775), (371, 542900), (427, 471700), (445, 452620), (530, 380030), (610, 330190), (623, 323300), (700, 287737), (742, 271450), (854, 235850), (890, 226310), (1060, 190015), (1220, 165095), (1246, 161650), (1325, 152012), (1484, 135725), (1525, 132076), (1708, 117925), (1780, 113155), (1855, 108580), (2135, 94340), (2225, 90524), (2492, 80825), (2650, 76006), (3050, 66038), (3115, 64660), (3233, 62300), (3710, 54290), (4270, 47170), (4450, 45262), (4717, 42700), (5300, 38003), (5429, 37100), (6100, 33019), (6230, 32330), (6466, 31150), (7420, 27145), (8540, 23585), (8900, 22631), (9275, 21716), (9434, 21350), (10675, 18868), (10858, 18550), (12460, 16165), (12932, 15575)]