490308420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{4651}}^1$

素因数の和:4921

約数の個数: 96

約数和(自身を含む): 1575576576

約数和(自身を除く): 1085268156

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 251, 420, 502, 753, 1004, 1255, 1506, 1757, 2510, 3012, 3514, 3765, 4651, 5020, 5271, 7028, 7530, 8785, 9302, 10542, 13953, 15060, 17570, 18604, 21084, 23255, 26355, 27906, 32557, 35140, 46510, 52710, 55812, 65114, 69765, 93020, 97671, 105420, 130228, 139530, 162785, 195342, 279060, 325570, 390684, 488355, 651140, 976710, 1167401, 1953420, 2334802, 3502203, 4669604, 5837005, 7004406, 8171807, 11674010, 14008812, 16343614, 17511015, 23348020, 24515421, 32687228, 35022030, 40859035, 49030842, 70044060, 81718070, 98061684, 122577105, 163436140, 245154210, 490308420]

約数ペア:

[(1, 490308420), (2, 245154210), (3, 163436140), (4, 122577105), (5, 98061684), (6, 81718070), (7, 70044060), (10, 49030842), (12, 40859035), (14, 35022030), (15, 32687228), (20, 24515421), (21, 23348020), (28, 17511015), (30, 16343614), (35, 14008812), (42, 11674010), (60, 8171807), (70, 7004406), (84, 5837005), (105, 4669604), (140, 3502203), (210, 2334802), (251, 1953420), (420, 1167401), (502, 976710), (753, 651140), (1004, 488355), (1255, 390684), (1506, 325570), (1757, 279060), (2510, 195342), (3012, 162785), (3514, 139530), (3765, 130228), (4651, 105420), (5020, 97671), (5271, 93020), (7028, 69765), (7530, 65114), (8785, 55812), (9302, 52710), (10542, 46510), (13953, 35140), (15060, 32557), (17570, 27906), (18604, 26355), (21084, 23255)]