290697540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:402

約数の個数: 192

約数和(自身を含む): 975421440

約数和(自身を除く): 684723900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 83, 84, 93, 105, 124, 140, 155, 166, 186, 210, 217, 249, 269, 310, 332, 372, 415, 420, 434, 465, 498, 538, 581, 620, 651, 807, 830, 868, 930, 996, 1076, 1085, 1162, 1245, 1302, 1345, 1614, 1660, 1743, 1860, 1883, 2170, 2324, 2490, 2573, 2604, 2690, 2905, 3228, 3255, 3486, 3766, 4035, 4340, 4980, 5146, 5380, 5649, 5810, 6510, 6972, 7532, 7719, 8070, 8339, 8715, 9415, 10292, 11298, 11620, 12865, 13020, 15438, 16140, 16678, 17430, 18011, 18830, 22327, 22596, 25017, 25730, 28245, 30876, 33356, 34860, 36022, 37660, 38595, 41695, 44654, 50034, 51460, 54033, 56490, 58373, 66981, 72044, 77190, 83390, 89308, 90055, 100068, 108066, 111635, 112980, 116746, 125085, 133962, 154380, 156289, 166780, 175119, 180110, 216132, 223270, 233492, 250170, 267924, 270165, 291865, 312578, 334905, 350238, 360220, 446540, 468867, 500340, 540330, 583730, 625156, 669810, 692137, 700476, 781445, 875595, 937734, 1080660, 1167460, 1339620, 1384274, 1562890, 1751190, 1875468, 2076411, 2344335, 2768548, 3125780, 3460685, 3502380, 4152822, 4688670, 4844959, 6921370, 8305644, 9377340, 9689918, 10382055, 13842740, 14534877, 19379836, 20764110, 24224795, 29069754, 41528220, 48449590, 58139508, 72674385, 96899180, 145348770, 290697540]

約数ペア:

[(1, 290697540), (2, 145348770), (3, 96899180), (4, 72674385), (5, 58139508), (6, 48449590), (7, 41528220), (10, 29069754), (12, 24224795), (14, 20764110), (15, 19379836), (20, 14534877), (21, 13842740), (28, 10382055), (30, 9689918), (31, 9377340), (35, 8305644), (42, 6921370), (60, 4844959), (62, 4688670), (70, 4152822), (83, 3502380), (84, 3460685), (93, 3125780), (105, 2768548), (124, 2344335), (140, 2076411), (155, 1875468), (166, 1751190), (186, 1562890), (210, 1384274), (217, 1339620), (249, 1167460), (269, 1080660), (310, 937734), (332, 875595), (372, 781445), (415, 700476), (420, 692137), (434, 669810), (465, 625156), (498, 583730), (538, 540330), (581, 500340), (620, 468867), (651, 446540), (807, 360220), (830, 350238), (868, 334905), (930, 312578), (996, 291865), (1076, 270165), (1085, 267924), (1162, 250170), (1245, 233492), (1302, 223270), (1345, 216132), (1614, 180110), (1660, 175119), (1743, 166780), (1860, 156289), (1883, 154380), (2170, 133962), (2324, 125085), (2490, 116746), (2573, 112980), (2604, 111635), (2690, 108066), (2905, 100068), (3228, 90055), (3255, 89308), (3486, 83390), (3766, 77190), (4035, 72044), (4340, 66981), (4980, 58373), (5146, 56490), (5380, 54033), (5649, 51460), (5810, 50034), (6510, 44654), (6972, 41695), (7532, 38595), (7719, 37660), (8070, 36022), (8339, 34860), (8715, 33356), (9415, 30876), (10292, 28245), (11298, 25730), (11620, 25017), (12865, 22596), (13020, 22327), (15438, 18830), (16140, 18011), (16678, 17430)]