838857520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:359

約数の個数: 160

約数和(自身を含む): 2163718656

約数和(自身を除く): 1324861136

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 101, 124, 136, 155, 170, 197, 202, 248, 272, 310, 340, 394, 404, 496, 505, 527, 620, 680, 788, 808, 985, 1010, 1054, 1240, 1360, 1576, 1616, 1717, 1970, 2020, 2108, 2480, 2635, 3131, 3152, 3349, 3434, 3940, 4040, 4216, 5270, 6107, 6262, 6698, 6868, 7880, 8080, 8432, 8585, 10540, 12214, 12524, 13396, 13736, 15655, 15760, 16745, 17170, 19897, 21080, 24428, 25048, 26792, 27472, 30535, 31310, 33490, 34340, 39794, 42160, 48856, 50096, 53227, 53584, 61070, 62620, 66980, 68680, 79588, 97712, 99485, 103819, 106454, 122140, 125240, 133960, 137360, 159176, 198970, 207638, 212908, 244280, 250480, 266135, 267920, 318352, 338249, 397940, 415276, 425816, 488560, 519095, 532270, 616807, 676498, 795880, 830552, 851632, 1038190, 1064540, 1233614, 1352996, 1591760, 1661104, 1691245, 2076380, 2129080, 2467228, 2705992, 3084035, 3382490, 4152760, 4258160, 4934456, 5411984, 6168070, 6764980, 8305520, 9868912, 10485719, 12336140, 13529960, 20971438, 24672280, 27059920, 41942876, 49344560, 52428595, 83885752, 104857190, 167771504, 209714380, 419428760, 838857520]

約数ペア:

[(1, 838857520), (2, 419428760), (4, 209714380), (5, 167771504), (8, 104857190), (10, 83885752), (16, 52428595), (17, 49344560), (20, 41942876), (31, 27059920), (34, 24672280), (40, 20971438), (62, 13529960), (68, 12336140), (80, 10485719), (85, 9868912), (101, 8305520), (124, 6764980), (136, 6168070), (155, 5411984), (170, 4934456), (197, 4258160), (202, 4152760), (248, 3382490), (272, 3084035), (310, 2705992), (340, 2467228), (394, 2129080), (404, 2076380), (496, 1691245), (505, 1661104), (527, 1591760), (620, 1352996), (680, 1233614), (788, 1064540), (808, 1038190), (985, 851632), (1010, 830552), (1054, 795880), (1240, 676498), (1360, 616807), (1576, 532270), (1616, 519095), (1717, 488560), (1970, 425816), (2020, 415276), (2108, 397940), (2480, 338249), (2635, 318352), (3131, 267920), (3152, 266135), (3349, 250480), (3434, 244280), (3940, 212908), (4040, 207638), (4216, 198970), (5270, 159176), (6107, 137360), (6262, 133960), (6698, 125240), (6868, 122140), (7880, 106454), (8080, 103819), (8432, 99485), (8585, 97712), (10540, 79588), (12214, 68680), (12524, 66980), (13396, 62620), (13736, 61070), (15655, 53584), (15760, 53227), (16745, 50096), (17170, 48856), (19897, 42160), (21080, 39794), (24428, 34340), (25048, 33490), (26792, 31310), (27472, 30535)]