618921940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:187

約数の個数: 216

約数和(自身を含む): 1698083352

約数和(自身を除く): 1079161412

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 37, 49, 52, 65, 70, 74, 91, 98, 101, 130, 140, 148, 169, 182, 185, 196, 202, 245, 259, 260, 338, 364, 370, 404, 455, 481, 490, 505, 518, 637, 676, 707, 740, 845, 910, 962, 980, 1010, 1036, 1183, 1274, 1295, 1313, 1414, 1690, 1813, 1820, 1924, 2020, 2366, 2405, 2548, 2590, 2626, 2828, 3185, 3367, 3380, 3535, 3626, 3737, 4732, 4810, 4949, 5180, 5252, 5915, 6253, 6370, 6565, 6734, 7070, 7252, 7474, 8281, 9065, 9191, 9620, 9898, 11830, 12506, 12740, 13130, 13468, 14140, 14948, 16562, 16835, 17069, 18130, 18382, 18685, 19796, 23569, 23660, 24745, 25012, 26159, 26260, 31265, 33124, 33670, 34138, 36260, 36764, 37370, 41405, 43771, 45955, 47138, 48581, 49490, 52318, 62530, 64337, 67340, 68276, 74740, 82810, 85345, 87542, 91910, 94276, 97162, 98980, 104636, 117845, 119483, 125060, 128674, 130795, 165620, 170690, 175084, 183113, 183820, 194324, 218855, 235690, 238966, 242905, 257348, 261590, 306397, 321685, 340067, 341380, 366226, 437710, 471380, 477932, 485810, 523180, 597415, 612794, 631553, 643370, 680134, 732452, 836381, 875420, 915565, 971620, 1194830, 1225588, 1263106, 1286740, 1360268, 1531985, 1672762, 1700335, 1831130, 2380469, 2389660, 2526212, 3063970, 3157765, 3345524, 3400670, 3662260, 4181905, 4420871, 4760938, 6127940, 6315530, 6801340, 8363810, 8841742, 9521876, 11902345, 12631060, 16727620, 17683484, 22104355, 23804690, 30946097, 44208710, 47609380, 61892194, 88417420, 123784388, 154730485, 309460970, 618921940]

約数ペア:

[(1, 618921940), (2, 309460970), (4, 154730485), (5, 123784388), (7, 88417420), (10, 61892194), (13, 47609380), (14, 44208710), (20, 30946097), (26, 23804690), (28, 22104355), (35, 17683484), (37, 16727620), (49, 12631060), (52, 11902345), (65, 9521876), (70, 8841742), (74, 8363810), (91, 6801340), (98, 6315530), (101, 6127940), (130, 4760938), (140, 4420871), (148, 4181905), (169, 3662260), (182, 3400670), (185, 3345524), (196, 3157765), (202, 3063970), (245, 2526212), (259, 2389660), (260, 2380469), (338, 1831130), (364, 1700335), (370, 1672762), (404, 1531985), (455, 1360268), (481, 1286740), (490, 1263106), (505, 1225588), (518, 1194830), (637, 971620), (676, 915565), (707, 875420), (740, 836381), (845, 732452), (910, 680134), (962, 643370), (980, 631553), (1010, 612794), (1036, 597415), (1183, 523180), (1274, 485810), (1295, 477932), (1313, 471380), (1414, 437710), (1690, 366226), (1813, 341380), (1820, 340067), (1924, 321685), (2020, 306397), (2366, 261590), (2405, 257348), (2548, 242905), (2590, 238966), (2626, 235690), (2828, 218855), (3185, 194324), (3367, 183820), (3380, 183113), (3535, 175084), (3626, 170690), (3737, 165620), (4732, 130795), (4810, 128674), (4949, 125060), (5180, 119483), (5252, 117845), (5915, 104636), (6253, 98980), (6370, 97162), (6565, 94276), (6734, 91910), (7070, 87542), (7252, 85345), (7474, 82810), (8281, 74740), (9065, 68276), (9191, 67340), (9620, 64337), (9898, 62530), (11830, 52318), (12506, 49490), (12740, 48581), (13130, 47138), (13468, 45955), (14140, 43771), (14948, 41405), (16562, 37370), (16835, 36764), (17069, 36260), (18130, 34138), (18382, 33670), (18685, 33124), (19796, 31265), (23569, 26260), (23660, 26159), (24745, 25012)]