393950760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1669}}^1$

素因数の和:1971

約数の個数: 128

約数和(自身を含む): 1356307200

約数和(自身を除く): 962356440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 281, 420, 562, 840, 843, 1124, 1405, 1669, 1686, 1967, 2248, 2810, 3338, 3372, 3934, 4215, 5007, 5620, 5901, 6676, 6744, 7868, 8345, 8430, 9835, 10014, 11240, 11683, 11802, 13352, 15736, 16690, 16860, 19670, 20028, 23366, 23604, 25035, 29505, 33380, 33720, 35049, 39340, 40056, 46732, 47208, 50070, 58415, 59010, 66760, 70098, 78680, 93464, 100140, 116830, 118020, 140196, 175245, 200280, 233660, 236040, 280392, 350490, 467320, 468989, 700980, 937978, 1401960, 1406967, 1875956, 2344945, 2813934, 3282923, 3751912, 4689890, 5627868, 6565846, 7034835, 9379780, 9848769, 11255736, 13131692, 14069670, 16414615, 18759560, 19697538, 26263384, 28139340, 32829230, 39395076, 49243845, 56278680, 65658460, 78790152, 98487690, 131316920, 196975380, 393950760]

約数ペア:

[(1, 393950760), (2, 196975380), (3, 131316920), (4, 98487690), (5, 78790152), (6, 65658460), (7, 56278680), (8, 49243845), (10, 39395076), (12, 32829230), (14, 28139340), (15, 26263384), (20, 19697538), (21, 18759560), (24, 16414615), (28, 14069670), (30, 13131692), (35, 11255736), (40, 9848769), (42, 9379780), (56, 7034835), (60, 6565846), (70, 5627868), (84, 4689890), (105, 3751912), (120, 3282923), (140, 2813934), (168, 2344945), (210, 1875956), (280, 1406967), (281, 1401960), (420, 937978), (562, 700980), (840, 468989), (843, 467320), (1124, 350490), (1405, 280392), (1669, 236040), (1686, 233660), (1967, 200280), (2248, 175245), (2810, 140196), (3338, 118020), (3372, 116830), (3934, 100140), (4215, 93464), (5007, 78680), (5620, 70098), (5901, 66760), (6676, 59010), (6744, 58415), (7868, 50070), (8345, 47208), (8430, 46732), (9835, 40056), (10014, 39340), (11240, 35049), (11683, 33720), (11802, 33380), (13352, 29505), (15736, 25035), (16690, 23604), (16860, 23366), (19670, 20028)]