397782560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:419

約数の個数: 192

約数和(自身を含む): 1144523520

約数和(自身を除く): 746740960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 37, 40, 56, 58, 70, 74, 80, 112, 116, 140, 145, 148, 160, 185, 203, 224, 232, 259, 280, 290, 296, 331, 370, 406, 464, 518, 560, 580, 592, 662, 740, 812, 928, 1015, 1036, 1073, 1120, 1160, 1184, 1295, 1324, 1480, 1624, 1655, 2030, 2072, 2146, 2317, 2320, 2590, 2648, 2960, 3248, 3310, 4060, 4144, 4292, 4634, 4640, 5180, 5296, 5365, 5920, 6496, 6620, 7511, 8120, 8288, 8584, 9268, 9599, 10360, 10592, 10730, 11585, 12247, 13240, 15022, 16240, 17168, 18536, 19198, 20720, 21460, 23170, 24494, 26480, 30044, 32480, 34336, 37072, 37555, 38396, 41440, 42920, 46340, 47995, 48988, 52960, 60088, 61235, 67193, 74144, 75110, 76792, 85729, 85840, 92680, 95990, 97976, 120176, 122470, 134386, 150220, 153584, 171458, 171680, 185360, 191980, 195952, 240352, 244940, 268772, 300440, 307168, 335965, 342916, 355163, 370720, 383960, 391904, 428645, 489880, 537544, 600880, 671930, 685832, 710326, 767920, 857290, 979760, 1075088, 1201760, 1343860, 1371664, 1420652, 1535840, 1714580, 1775815, 1959520, 2150176, 2486141, 2687720, 2743328, 2841304, 3429160, 3551630, 4972282, 5375440, 5682608, 6858320, 7103260, 9944564, 10750880, 11365216, 12430705, 13716640, 14206520, 19889128, 24861410, 28413040, 39778256, 49722820, 56826080, 79556512, 99445640, 198891280, 397782560]

約数ペア:

[(1, 397782560), (2, 198891280), (4, 99445640), (5, 79556512), (7, 56826080), (8, 49722820), (10, 39778256), (14, 28413040), (16, 24861410), (20, 19889128), (28, 14206520), (29, 13716640), (32, 12430705), (35, 11365216), (37, 10750880), (40, 9944564), (56, 7103260), (58, 6858320), (70, 5682608), (74, 5375440), (80, 4972282), (112, 3551630), (116, 3429160), (140, 2841304), (145, 2743328), (148, 2687720), (160, 2486141), (185, 2150176), (203, 1959520), (224, 1775815), (232, 1714580), (259, 1535840), (280, 1420652), (290, 1371664), (296, 1343860), (331, 1201760), (370, 1075088), (406, 979760), (464, 857290), (518, 767920), (560, 710326), (580, 685832), (592, 671930), (662, 600880), (740, 537544), (812, 489880), (928, 428645), (1015, 391904), (1036, 383960), (1073, 370720), (1120, 355163), (1160, 342916), (1184, 335965), (1295, 307168), (1324, 300440), (1480, 268772), (1624, 244940), (1655, 240352), (2030, 195952), (2072, 191980), (2146, 185360), (2317, 171680), (2320, 171458), (2590, 153584), (2648, 150220), (2960, 134386), (3248, 122470), (3310, 120176), (4060, 97976), (4144, 95990), (4292, 92680), (4634, 85840), (4640, 85729), (5180, 76792), (5296, 75110), (5365, 74144), (5920, 67193), (6496, 61235), (6620, 60088), (7511, 52960), (8120, 48988), (8288, 47995), (8584, 46340), (9268, 42920), (9599, 41440), (10360, 38396), (10592, 37555), (10730, 37072), (11585, 34336), (12247, 32480), (13240, 30044), (15022, 26480), (16240, 24494), (17168, 23170), (18536, 21460), (19198, 20720)]