254958340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:222

約数の個数: 192

約数和(自身を含む): 710115840

約数和(自身を除く): 455157500

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 73, 76, 91, 95, 101, 130, 133, 140, 146, 182, 190, 202, 247, 260, 266, 292, 364, 365, 380, 404, 455, 494, 505, 511, 532, 665, 707, 730, 910, 949, 988, 1010, 1022, 1235, 1313, 1330, 1387, 1414, 1460, 1729, 1820, 1898, 1919, 2020, 2044, 2470, 2555, 2626, 2660, 2774, 2828, 3458, 3535, 3796, 3838, 4745, 4940, 5110, 5252, 5548, 6565, 6643, 6916, 6935, 7070, 7373, 7676, 8645, 9191, 9490, 9595, 9709, 10220, 13130, 13286, 13433, 13870, 14140, 14746, 17290, 18031, 18382, 18980, 19190, 19418, 24947, 26260, 26572, 26866, 27740, 29492, 33215, 34580, 36062, 36764, 36865, 38380, 38836, 45955, 48545, 49894, 51611, 53732, 66430, 67165, 72124, 73730, 90155, 91910, 95849, 97090, 99788, 103222, 124735, 126217, 132860, 134330, 140087, 147460, 174629, 180310, 183820, 191698, 194180, 206444, 249470, 252434, 258055, 268660, 280174, 349258, 360620, 383396, 479245, 498940, 504868, 516110, 560348, 631085, 670943, 698516, 700435, 873145, 958490, 980609, 1032220, 1262170, 1341886, 1400870, 1746290, 1821131, 1916980, 1961218, 2524340, 2683772, 2801740, 3354715, 3492580, 3642262, 3922436, 4903045, 6709430, 7284524, 9105655, 9806090, 12747917, 13418860, 18211310, 19612180, 25495834, 36422620, 50991668, 63739585, 127479170, 254958340]

約数ペア:

[(1, 254958340), (2, 127479170), (4, 63739585), (5, 50991668), (7, 36422620), (10, 25495834), (13, 19612180), (14, 18211310), (19, 13418860), (20, 12747917), (26, 9806090), (28, 9105655), (35, 7284524), (38, 6709430), (52, 4903045), (65, 3922436), (70, 3642262), (73, 3492580), (76, 3354715), (91, 2801740), (95, 2683772), (101, 2524340), (130, 1961218), (133, 1916980), (140, 1821131), (146, 1746290), (182, 1400870), (190, 1341886), (202, 1262170), (247, 1032220), (260, 980609), (266, 958490), (292, 873145), (364, 700435), (365, 698516), (380, 670943), (404, 631085), (455, 560348), (494, 516110), (505, 504868), (511, 498940), (532, 479245), (665, 383396), (707, 360620), (730, 349258), (910, 280174), (949, 268660), (988, 258055), (1010, 252434), (1022, 249470), (1235, 206444), (1313, 194180), (1330, 191698), (1387, 183820), (1414, 180310), (1460, 174629), (1729, 147460), (1820, 140087), (1898, 134330), (1919, 132860), (2020, 126217), (2044, 124735), (2470, 103222), (2555, 99788), (2626, 97090), (2660, 95849), (2774, 91910), (2828, 90155), (3458, 73730), (3535, 72124), (3796, 67165), (3838, 66430), (4745, 53732), (4940, 51611), (5110, 49894), (5252, 48545), (5548, 45955), (6565, 38836), (6643, 38380), (6916, 36865), (6935, 36764), (7070, 36062), (7373, 34580), (7676, 33215), (8645, 29492), (9191, 27740), (9490, 26866), (9595, 26572), (9709, 26260), (10220, 24947), (13130, 19418), (13286, 19190), (13433, 18980), (13870, 18382), (14140, 18031), (14746, 17290)]