204711568900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1\times {\mathrm{2221}}^1$

素因数の和:2742

約数の個数: 144

約数和(自身を含む): 472530520000

約数和(自身を除く): 267818951100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 139, 190, 278, 349, 380, 475, 556, 695, 698, 950, 1390, 1396, 1745, 1900, 2221, 2641, 2780, 3475, 3490, 4442, 5282, 6631, 6950, 6980, 8725, 8884, 10564, 11105, 13205, 13262, 13900, 17450, 22210, 26410, 26524, 33155, 34900, 42199, 44420, 48511, 52820, 55525, 66025, 66310, 84398, 97022, 111050, 132050, 132620, 165775, 168796, 194044, 210995, 222100, 242555, 264100, 308719, 331550, 421990, 485110, 617438, 663100, 775129, 843980, 921709, 970220, 1054975, 1212775, 1234876, 1543595, 1550258, 1843418, 2109950, 2425550, 3087190, 3100516, 3686836, 3875645, 4219900, 4608545, 4851100, 5865661, 6174380, 7717975, 7751290, 9217090, 11731322, 14727451, 15435950, 15502580, 18434180, 19378225, 23042725, 23462644, 29328305, 29454902, 30871900, 38756450, 46085450, 58656610, 58909804, 73637255, 77512900, 92170900, 107742931, 117313220, 146641525, 147274510, 215485862, 293283050, 294549020, 368186275, 430971724, 538714655, 586566100, 736372550, 1077429310, 1472745100, 2047115689, 2154858620, 2693573275, 4094231378, 5387146550, 8188462756, 10235578445, 10774293100, 20471156890, 40942313780, 51177892225, 102355784450, 204711568900]

約数ペア:

[(1, 204711568900), (2, 102355784450), (4, 51177892225), (5, 40942313780), (10, 20471156890), (19, 10774293100), (20, 10235578445), (25, 8188462756), (38, 5387146550), (50, 4094231378), (76, 2693573275), (95, 2154858620), (100, 2047115689), (139, 1472745100), (190, 1077429310), (278, 736372550), (349, 586566100), (380, 538714655), (475, 430971724), (556, 368186275), (695, 294549020), (698, 293283050), (950, 215485862), (1390, 147274510), (1396, 146641525), (1745, 117313220), (1900, 107742931), (2221, 92170900), (2641, 77512900), (2780, 73637255), (3475, 58909804), (3490, 58656610), (4442, 46085450), (5282, 38756450), (6631, 30871900), (6950, 29454902), (6980, 29328305), (8725, 23462644), (8884, 23042725), (10564, 19378225), (11105, 18434180), (13205, 15502580), (13262, 15435950), (13900, 14727451), (17450, 11731322), (22210, 9217090), (26410, 7751290), (26524, 7717975), (33155, 6174380), (34900, 5865661), (42199, 4851100), (44420, 4608545), (48511, 4219900), (52820, 3875645), (55525, 3686836), (66025, 3100516), (66310, 3087190), (84398, 2425550), (97022, 2109950), (111050, 1843418), (132050, 1550258), (132620, 1543595), (165775, 1234876), (168796, 1212775), (194044, 1054975), (210995, 970220), (222100, 921709), (242555, 843980), (264100, 775129), (308719, 663100), (331550, 617438), (421990, 485110)]