201072820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:186

約数の個数: 144

約数和(自身を含む): 501742080

約数和(自身を除く): 300669260

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 31, 38, 52, 62, 65, 76, 95, 101, 124, 130, 155, 169, 190, 202, 247, 260, 310, 338, 380, 403, 404, 494, 505, 589, 620, 676, 806, 845, 988, 1010, 1178, 1235, 1313, 1612, 1690, 1919, 2015, 2020, 2356, 2470, 2626, 2945, 3131, 3211, 3380, 3838, 4030, 4940, 5239, 5252, 5890, 6262, 6422, 6565, 7657, 7676, 8060, 9595, 10478, 11780, 12524, 12844, 13130, 15314, 15655, 16055, 17069, 19190, 20956, 24947, 26195, 26260, 30628, 31310, 32110, 34138, 38285, 38380, 40703, 49894, 52390, 59489, 62620, 64220, 68276, 76570, 81406, 85345, 99541, 99788, 104780, 118978, 124735, 153140, 162812, 170690, 199082, 203515, 237956, 249470, 297445, 324311, 341380, 398164, 407030, 497705, 498940, 529139, 594890, 648622, 773357, 814060, 995410, 1058278, 1189780, 1297244, 1546714, 1621555, 1990820, 2116556, 2645695, 3093428, 3243110, 3866785, 5291390, 6486220, 7733570, 10053641, 10582780, 15467140, 20107282, 40214564, 50268205, 100536410, 201072820]

約数ペア:

[(1, 201072820), (2, 100536410), (4, 50268205), (5, 40214564), (10, 20107282), (13, 15467140), (19, 10582780), (20, 10053641), (26, 7733570), (31, 6486220), (38, 5291390), (52, 3866785), (62, 3243110), (65, 3093428), (76, 2645695), (95, 2116556), (101, 1990820), (124, 1621555), (130, 1546714), (155, 1297244), (169, 1189780), (190, 1058278), (202, 995410), (247, 814060), (260, 773357), (310, 648622), (338, 594890), (380, 529139), (403, 498940), (404, 497705), (494, 407030), (505, 398164), (589, 341380), (620, 324311), (676, 297445), (806, 249470), (845, 237956), (988, 203515), (1010, 199082), (1178, 170690), (1235, 162812), (1313, 153140), (1612, 124735), (1690, 118978), (1919, 104780), (2015, 99788), (2020, 99541), (2356, 85345), (2470, 81406), (2626, 76570), (2945, 68276), (3131, 64220), (3211, 62620), (3380, 59489), (3838, 52390), (4030, 49894), (4940, 40703), (5239, 38380), (5252, 38285), (5890, 34138), (6262, 32110), (6422, 31310), (6565, 30628), (7657, 26260), (7676, 26195), (8060, 24947), (9595, 20956), (10478, 19190), (11780, 17069), (12524, 16055), (12844, 15655), (13130, 15314)]