2578167340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{317}}^1$

素因数の和:576

約数の個数: 144

約数和(自身を含む): 6498388512

約数和(自身を除く): 3920221172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 193, 196, 215, 245, 301, 317, 386, 430, 490, 602, 634, 772, 860, 965, 980, 1204, 1268, 1351, 1505, 1585, 1930, 2107, 2219, 2702, 3010, 3170, 3860, 4214, 4438, 5404, 6020, 6340, 6755, 8299, 8428, 8876, 9457, 10535, 11095, 13510, 13631, 15533, 16598, 18914, 21070, 22190, 27020, 27262, 31066, 33196, 37828, 41495, 42140, 44380, 47285, 54524, 58093, 61181, 62132, 68155, 77665, 82990, 94570, 95417, 116186, 122362, 136310, 155330, 165980, 189140, 190834, 232372, 244724, 272620, 290465, 305905, 310660, 381668, 406651, 428267, 477085, 580930, 611810, 667919, 813302, 856534, 954170, 1161860, 1223620, 1335838, 1626604, 1713068, 1908340, 2033255, 2141335, 2630783, 2671676, 2997869, 3339595, 4066510, 4282670, 5261566, 5995738, 6679190, 8133020, 8565340, 10523132, 11991476, 13153915, 13358380, 14989345, 18415481, 26307830, 29978690, 36830962, 52615660, 59957380, 73661924, 92077405, 128908367, 184154810, 257816734, 368309620, 515633468, 644541835, 1289083670, 2578167340]

約数ペア:

[(1, 2578167340), (2, 1289083670), (4, 644541835), (5, 515633468), (7, 368309620), (10, 257816734), (14, 184154810), (20, 128908367), (28, 92077405), (35, 73661924), (43, 59957380), (49, 52615660), (70, 36830962), (86, 29978690), (98, 26307830), (140, 18415481), (172, 14989345), (193, 13358380), (196, 13153915), (215, 11991476), (245, 10523132), (301, 8565340), (317, 8133020), (386, 6679190), (430, 5995738), (490, 5261566), (602, 4282670), (634, 4066510), (772, 3339595), (860, 2997869), (965, 2671676), (980, 2630783), (1204, 2141335), (1268, 2033255), (1351, 1908340), (1505, 1713068), (1585, 1626604), (1930, 1335838), (2107, 1223620), (2219, 1161860), (2702, 954170), (3010, 856534), (3170, 813302), (3860, 667919), (4214, 611810), (4438, 580930), (5404, 477085), (6020, 428267), (6340, 406651), (6755, 381668), (8299, 310660), (8428, 305905), (8876, 290465), (9457, 272620), (10535, 244724), (11095, 232372), (13510, 190834), (13631, 189140), (15533, 165980), (16598, 155330), (18914, 136310), (21070, 122362), (22190, 116186), (27020, 95417), (27262, 94570), (31066, 82990), (33196, 77665), (37828, 68155), (41495, 62132), (42140, 61181), (44380, 58093), (47285, 54524)]