247973180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:220

約数の個数: 192

約数和(自身を含む): 690923520

約数和(自身を除く): 442950340

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 71, 76, 91, 95, 101, 130, 133, 140, 142, 182, 190, 202, 247, 260, 266, 284, 355, 364, 380, 404, 455, 494, 497, 505, 532, 665, 707, 710, 910, 923, 988, 994, 1010, 1235, 1313, 1330, 1349, 1414, 1420, 1729, 1820, 1846, 1919, 1988, 2020, 2470, 2485, 2626, 2660, 2698, 2828, 3458, 3535, 3692, 3838, 4615, 4940, 4970, 5252, 5396, 6461, 6565, 6745, 6916, 7070, 7171, 7676, 8645, 9191, 9230, 9443, 9595, 9940, 12922, 13130, 13433, 13490, 14140, 14342, 17290, 17537, 18382, 18460, 18886, 19190, 24947, 25844, 26260, 26866, 26980, 28684, 32305, 34580, 35074, 35855, 36764, 37772, 38380, 45955, 47215, 49894, 50197, 53732, 64610, 67165, 70148, 71710, 87685, 91910, 93223, 94430, 99788, 100394, 122759, 124735, 129220, 134330, 136249, 143420, 174629, 175370, 183820, 186446, 188860, 200788, 245518, 249470, 250985, 268660, 272498, 349258, 350740, 372892, 466115, 491036, 498940, 501970, 544996, 613795, 652561, 681245, 698516, 873145, 932230, 953743, 1003940, 1227590, 1305122, 1362490, 1746290, 1771237, 1864460, 1907486, 2455180, 2610244, 2724980, 3262805, 3492580, 3542474, 3814972, 4768715, 6525610, 7084948, 8856185, 9537430, 12398659, 13051220, 17712370, 19074860, 24797318, 35424740, 49594636, 61993295, 123986590, 247973180]

約数ペア:

[(1, 247973180), (2, 123986590), (4, 61993295), (5, 49594636), (7, 35424740), (10, 24797318), (13, 19074860), (14, 17712370), (19, 13051220), (20, 12398659), (26, 9537430), (28, 8856185), (35, 7084948), (38, 6525610), (52, 4768715), (65, 3814972), (70, 3542474), (71, 3492580), (76, 3262805), (91, 2724980), (95, 2610244), (101, 2455180), (130, 1907486), (133, 1864460), (140, 1771237), (142, 1746290), (182, 1362490), (190, 1305122), (202, 1227590), (247, 1003940), (260, 953743), (266, 932230), (284, 873145), (355, 698516), (364, 681245), (380, 652561), (404, 613795), (455, 544996), (494, 501970), (497, 498940), (505, 491036), (532, 466115), (665, 372892), (707, 350740), (710, 349258), (910, 272498), (923, 268660), (988, 250985), (994, 249470), (1010, 245518), (1235, 200788), (1313, 188860), (1330, 186446), (1349, 183820), (1414, 175370), (1420, 174629), (1729, 143420), (1820, 136249), (1846, 134330), (1919, 129220), (1988, 124735), (2020, 122759), (2470, 100394), (2485, 99788), (2626, 94430), (2660, 93223), (2698, 91910), (2828, 87685), (3458, 71710), (3535, 70148), (3692, 67165), (3838, 64610), (4615, 53732), (4940, 50197), (4970, 49894), (5252, 47215), (5396, 45955), (6461, 38380), (6565, 37772), (6745, 36764), (6916, 35855), (7070, 35074), (7171, 34580), (7676, 32305), (8645, 28684), (9191, 26980), (9230, 26866), (9443, 26260), (9595, 25844), (9940, 24947), (12922, 19190), (13130, 18886), (13433, 18460), (13490, 18382), (14140, 17537), (14342, 17290)]