251372660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 192

約数和(自身を含む): 708341760

約数和(自身を除く): 456969100

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 71, 76, 77, 95, 110, 121, 133, 140, 142, 154, 190, 209, 220, 242, 266, 284, 308, 355, 380, 385, 418, 484, 497, 532, 605, 665, 710, 770, 781, 836, 847, 994, 1045, 1210, 1330, 1331, 1349, 1420, 1463, 1540, 1562, 1694, 1988, 2090, 2299, 2420, 2485, 2660, 2662, 2698, 2926, 3124, 3388, 3905, 4180, 4235, 4598, 4970, 5324, 5396, 5467, 5852, 6655, 6745, 7315, 7810, 8470, 8591, 9196, 9317, 9443, 9940, 10934, 11495, 13310, 13490, 14630, 14839, 15620, 16093, 16940, 17182, 18634, 18886, 21868, 22990, 25289, 26620, 26980, 27335, 29260, 29678, 32186, 34364, 37268, 37772, 42955, 45980, 46585, 47215, 50578, 54670, 59356, 60137, 64372, 74195, 80465, 85910, 93170, 94430, 94501, 101156, 103873, 109340, 120274, 126445, 148390, 160930, 163229, 171820, 177023, 186340, 188860, 189002, 207746, 240548, 252890, 296780, 300685, 321860, 326458, 354046, 378004, 415492, 472505, 505780, 519365, 601370, 652916, 661507, 708092, 816145, 885115, 945010, 1038730, 1142603, 1202740, 1323014, 1632290, 1770230, 1795519, 1890020, 2077460, 2285206, 2646028, 3264580, 3307535, 3540460, 3591038, 4570412, 5713015, 6615070, 7182076, 8977595, 11426030, 12568633, 13230140, 17955190, 22852060, 25137266, 35910380, 50274532, 62843165, 125686330, 251372660]

約数ペア:

[(1, 251372660), (2, 125686330), (4, 62843165), (5, 50274532), (7, 35910380), (10, 25137266), (11, 22852060), (14, 17955190), (19, 13230140), (20, 12568633), (22, 11426030), (28, 8977595), (35, 7182076), (38, 6615070), (44, 5713015), (55, 4570412), (70, 3591038), (71, 3540460), (76, 3307535), (77, 3264580), (95, 2646028), (110, 2285206), (121, 2077460), (133, 1890020), (140, 1795519), (142, 1770230), (154, 1632290), (190, 1323014), (209, 1202740), (220, 1142603), (242, 1038730), (266, 945010), (284, 885115), (308, 816145), (355, 708092), (380, 661507), (385, 652916), (418, 601370), (484, 519365), (497, 505780), (532, 472505), (605, 415492), (665, 378004), (710, 354046), (770, 326458), (781, 321860), (836, 300685), (847, 296780), (994, 252890), (1045, 240548), (1210, 207746), (1330, 189002), (1331, 188860), (1349, 186340), (1420, 177023), (1463, 171820), (1540, 163229), (1562, 160930), (1694, 148390), (1988, 126445), (2090, 120274), (2299, 109340), (2420, 103873), (2485, 101156), (2660, 94501), (2662, 94430), (2698, 93170), (2926, 85910), (3124, 80465), (3388, 74195), (3905, 64372), (4180, 60137), (4235, 59356), (4598, 54670), (4970, 50578), (5324, 47215), (5396, 46585), (5467, 45980), (5852, 42955), (6655, 37772), (6745, 37268), (7315, 34364), (7810, 32186), (8470, 29678), (8591, 29260), (9196, 27335), (9317, 26980), (9443, 26620), (9940, 25289), (10934, 22990), (11495, 21868), (13310, 18886), (13490, 18634), (14630, 17182), (14839, 16940), (15620, 16093)]