80982790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:230

約数の個数: 96

約数和(自身を含む): 180986400

約数和(自身を除く): 100003610

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 41, 49, 58, 70, 82, 98, 139, 145, 203, 205, 245, 278, 287, 290, 406, 410, 490, 574, 695, 973, 1015, 1189, 1390, 1421, 1435, 1946, 2009, 2030, 2378, 2842, 2870, 4018, 4031, 4865, 5699, 5945, 6811, 7105, 8062, 8323, 9730, 10045, 11398, 11890, 13622, 14210, 16646, 20090, 20155, 28217, 28495, 34055, 39893, 40310, 41615, 56434, 56990, 58261, 68110, 79786, 83230, 116522, 141085, 165271, 197519, 199465, 279251, 282170, 291305, 330542, 395038, 398930, 558502, 582610, 826355, 987595, 1156897, 1396255, 1652710, 1975190, 2313794, 2792510, 5784485, 8098279, 11568970, 16196558, 40491395, 80982790]

約数ペア:

[(1, 80982790), (2, 40491395), (5, 16196558), (7, 11568970), (10, 8098279), (14, 5784485), (29, 2792510), (35, 2313794), (41, 1975190), (49, 1652710), (58, 1396255), (70, 1156897), (82, 987595), (98, 826355), (139, 582610), (145, 558502), (203, 398930), (205, 395038), (245, 330542), (278, 291305), (287, 282170), (290, 279251), (406, 199465), (410, 197519), (490, 165271), (574, 141085), (695, 116522), (973, 83230), (1015, 79786), (1189, 68110), (1390, 58261), (1421, 56990), (1435, 56434), (1946, 41615), (2009, 40310), (2030, 39893), (2378, 34055), (2842, 28495), (2870, 28217), (4018, 20155), (4031, 20090), (4865, 16646), (5699, 14210), (5945, 13622), (6811, 11890), (7105, 11398), (8062, 10045), (8323, 9730)]