291439260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:393

約数の個数: 216

約数和(自身を含む): 1039723776

約数和(自身を除く): 748284516

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 173, 180, 191, 196, 210, 245, 252, 294, 315, 346, 382, 420, 441, 490, 519, 573, 588, 630, 692, 735, 764, 865, 882, 955, 980, 1038, 1146, 1211, 1260, 1337, 1470, 1557, 1719, 1730, 1764, 1910, 2076, 2205, 2292, 2422, 2595, 2674, 2865, 2940, 3114, 3438, 3460, 3633, 3820, 4011, 4410, 4844, 5190, 5348, 5730, 6055, 6228, 6685, 6876, 7266, 7785, 8022, 8477, 8595, 8820, 9359, 10380, 10899, 11460, 12033, 12110, 13370, 14532, 15570, 16044, 16954, 17190, 18165, 18718, 20055, 21798, 24066, 24220, 25431, 26740, 28077, 31140, 33043, 33908, 34380, 36330, 37436, 40110, 42385, 43596, 46795, 48132, 50862, 54495, 56154, 60165, 66086, 72660, 76293, 80220, 84231, 84770, 93590, 99129, 101724, 108990, 112308, 120330, 127155, 132172, 140385, 152586, 165215, 168462, 169540, 187180, 198258, 217980, 231301, 240660, 254310, 280770, 297387, 305172, 330430, 336924, 381465, 396516, 421155, 462602, 495645, 508620, 561540, 594774, 660860, 693903, 762930, 842310, 925204, 991290, 1156505, 1189548, 1387806, 1486935, 1525860, 1619107, 1684620, 1982580, 2081709, 2313010, 2775612, 2973870, 3238214, 3469515, 4163418, 4626020, 4857321, 5947740, 6476428, 6939030, 8095535, 8326836, 9714642, 10408545, 13878060, 14571963, 16191070, 19429284, 20817090, 24286605, 29143926, 32382140, 41634180, 48573210, 58287852, 72859815, 97146420, 145719630, 291439260]

約数ペア:

[(1, 291439260), (2, 145719630), (3, 97146420), (4, 72859815), (5, 58287852), (6, 48573210), (7, 41634180), (9, 32382140), (10, 29143926), (12, 24286605), (14, 20817090), (15, 19429284), (18, 16191070), (20, 14571963), (21, 13878060), (28, 10408545), (30, 9714642), (35, 8326836), (36, 8095535), (42, 6939030), (45, 6476428), (49, 5947740), (60, 4857321), (63, 4626020), (70, 4163418), (84, 3469515), (90, 3238214), (98, 2973870), (105, 2775612), (126, 2313010), (140, 2081709), (147, 1982580), (173, 1684620), (180, 1619107), (191, 1525860), (196, 1486935), (210, 1387806), (245, 1189548), (252, 1156505), (294, 991290), (315, 925204), (346, 842310), (382, 762930), (420, 693903), (441, 660860), (490, 594774), (519, 561540), (573, 508620), (588, 495645), (630, 462602), (692, 421155), (735, 396516), (764, 381465), (865, 336924), (882, 330430), (955, 305172), (980, 297387), (1038, 280770), (1146, 254310), (1211, 240660), (1260, 231301), (1337, 217980), (1470, 198258), (1557, 187180), (1719, 169540), (1730, 168462), (1764, 165215), (1910, 152586), (2076, 140385), (2205, 132172), (2292, 127155), (2422, 120330), (2595, 112308), (2674, 108990), (2865, 101724), (2940, 99129), (3114, 93590), (3438, 84770), (3460, 84231), (3633, 80220), (3820, 76293), (4011, 72660), (4410, 66086), (4844, 60165), (5190, 56154), (5348, 54495), (5730, 50862), (6055, 48132), (6228, 46795), (6685, 43596), (6876, 42385), (7266, 40110), (7785, 37436), (8022, 36330), (8477, 34380), (8595, 33908), (8820, 33043), (9359, 31140), (10380, 28077), (10899, 26740), (11460, 25431), (12033, 24220), (12110, 24066), (13370, 21798), (14532, 20055), (15570, 18718), (16044, 18165), (16954, 17190)]