201991892500

素因数分解:

$2^2\times 5^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{42727}}^1$

素因数の和:42843

約数の個数: 120

約数和(自身を含む): 463450448384

約数和(自身を除く): 261458555884

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 61, 62, 100, 122, 124, 125, 155, 244, 250, 305, 310, 500, 610, 620, 625, 775, 1220, 1250, 1525, 1550, 1891, 2500, 3050, 3100, 3782, 3875, 6100, 7564, 7625, 7750, 9455, 15250, 15500, 18910, 19375, 30500, 37820, 38125, 38750, 42727, 47275, 76250, 77500, 85454, 94550, 152500, 170908, 189100, 213635, 236375, 427270, 472750, 854540, 945500, 1068175, 1181875, 1324537, 2136350, 2363750, 2606347, 2649074, 4272700, 4727500, 5212694, 5298148, 5340875, 6622685, 10425388, 10681750, 13031735, 13245370, 21363500, 26063470, 26490740, 26704375, 33113425, 52126940, 53408750, 65158675, 66226850, 80796757, 106817500, 130317350, 132453700, 161593514, 165567125, 260634700, 323187028, 325793375, 331134250, 403983785, 651586750, 662268500, 807967570, 827835625, 1303173500, 1615935140, 1628966875, 1655671250, 2019918925, 3257933750, 3311342500, 4039837850, 6515867500, 8079675700, 10099594625, 20199189250, 40398378500, 50497973125, 100995946250, 201991892500]

約数ペア:

[(1, 201991892500), (2, 100995946250), (4, 50497973125), (5, 40398378500), (10, 20199189250), (20, 10099594625), (25, 8079675700), (31, 6515867500), (50, 4039837850), (61, 3311342500), (62, 3257933750), (100, 2019918925), (122, 1655671250), (124, 1628966875), (125, 1615935140), (155, 1303173500), (244, 827835625), (250, 807967570), (305, 662268500), (310, 651586750), (500, 403983785), (610, 331134250), (620, 325793375), (625, 323187028), (775, 260634700), (1220, 165567125), (1250, 161593514), (1525, 132453700), (1550, 130317350), (1891, 106817500), (2500, 80796757), (3050, 66226850), (3100, 65158675), (3782, 53408750), (3875, 52126940), (6100, 33113425), (7564, 26704375), (7625, 26490740), (7750, 26063470), (9455, 21363500), (15250, 13245370), (15500, 13031735), (18910, 10681750), (19375, 10425388), (30500, 6622685), (37820, 5340875), (38125, 5298148), (38750, 5212694), (42727, 4727500), (47275, 4272700), (76250, 2649074), (77500, 2606347), (85454, 2363750), (94550, 2136350), (152500, 1324537), (170908, 1181875), (189100, 1068175), (213635, 945500), (236375, 854540), (427270, 472750)]