31861563220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{461}}^1\times {\mathrm{761}}^1$

素因数の和:1489

約数の個数: 96

約数和(自身を含む): 70972070400

約数和(自身を除く): 39110507180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 239, 380, 461, 478, 761, 922, 956, 1195, 1522, 1844, 2305, 2390, 3044, 3805, 4541, 4610, 4780, 7610, 8759, 9082, 9220, 14459, 15220, 17518, 18164, 22705, 28918, 35036, 43795, 45410, 57836, 72295, 87590, 90820, 110179, 144590, 175180, 181879, 220358, 289180, 350821, 363758, 440716, 550895, 701642, 727516, 909395, 1101790, 1403284, 1754105, 1818790, 2093401, 2203580, 3455701, 3508210, 3637580, 4186802, 6665599, 6911402, 7016420, 8373604, 10467005, 13331198, 13822804, 17278505, 20934010, 26662396, 33327995, 34557010, 41868020, 66655990, 69114020, 83846219, 133311980, 167692438, 335384876, 419231095, 838462190, 1593078161, 1676924380, 3186156322, 6372312644, 7965390805, 15930781610, 31861563220]

約数ペア:

[(1, 31861563220), (2, 15930781610), (4, 7965390805), (5, 6372312644), (10, 3186156322), (19, 1676924380), (20, 1593078161), (38, 838462190), (76, 419231095), (95, 335384876), (190, 167692438), (239, 133311980), (380, 83846219), (461, 69114020), (478, 66655990), (761, 41868020), (922, 34557010), (956, 33327995), (1195, 26662396), (1522, 20934010), (1844, 17278505), (2305, 13822804), (2390, 13331198), (3044, 10467005), (3805, 8373604), (4541, 7016420), (4610, 6911402), (4780, 6665599), (7610, 4186802), (8759, 3637580), (9082, 3508210), (9220, 3455701), (14459, 2203580), (15220, 2093401), (17518, 1818790), (18164, 1754105), (22705, 1403284), (28918, 1101790), (35036, 909395), (43795, 727516), (45410, 701642), (57836, 550895), (72295, 440716), (87590, 363758), (90820, 350821), (110179, 289180), (144590, 220358), (175180, 181879)]