197378240

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:346

約数の個数: 112

約数和(自身を含む): 492459264

約数和(自身を除く): 295081024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 101, 124, 155, 160, 197, 202, 248, 310, 320, 394, 404, 496, 505, 620, 788, 808, 985, 992, 1010, 1240, 1576, 1616, 1970, 1984, 2020, 2480, 3131, 3152, 3232, 3940, 4040, 4960, 6107, 6262, 6304, 6464, 7880, 8080, 9920, 12214, 12524, 12608, 15655, 15760, 16160, 19897, 24428, 25048, 30535, 31310, 31520, 32320, 39794, 48856, 50096, 61070, 62620, 63040, 79588, 97712, 99485, 100192, 122140, 125240, 159176, 195424, 198970, 200384, 244280, 250480, 318352, 390848, 397940, 488560, 500960, 616807, 636704, 795880, 977120, 1001920, 1233614, 1273408, 1591760, 1954240, 2467228, 3084035, 3183520, 4934456, 6168070, 6367040, 9868912, 12336140, 19737824, 24672280, 39475648, 49344560, 98689120, 197378240]

約数ペア:

[(1, 197378240), (2, 98689120), (4, 49344560), (5, 39475648), (8, 24672280), (10, 19737824), (16, 12336140), (20, 9868912), (31, 6367040), (32, 6168070), (40, 4934456), (62, 3183520), (64, 3084035), (80, 2467228), (101, 1954240), (124, 1591760), (155, 1273408), (160, 1233614), (197, 1001920), (202, 977120), (248, 795880), (310, 636704), (320, 616807), (394, 500960), (404, 488560), (496, 397940), (505, 390848), (620, 318352), (788, 250480), (808, 244280), (985, 200384), (992, 198970), (1010, 195424), (1240, 159176), (1576, 125240), (1616, 122140), (1970, 100192), (1984, 99485), (2020, 97712), (2480, 79588), (3131, 63040), (3152, 62620), (3232, 61070), (3940, 50096), (4040, 48856), (4960, 39794), (6107, 32320), (6262, 31520), (6304, 31310), (6464, 30535), (7880, 25048), (8080, 24428), (9920, 19897), (12214, 16160), (12524, 15760), (12608, 15655)]