2019912970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{1619}}^1$

素因数の和:1863

約数の個数: 64

約数和(自身を含む): 3968092800

約数和(自身を除く): 1948179830

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 179, 205, 358, 410, 697, 895, 1394, 1619, 1790, 3043, 3238, 3485, 6086, 6970, 7339, 8095, 14678, 15215, 16190, 27523, 30430, 36695, 55046, 66379, 73390, 124763, 132758, 137615, 249526, 275230, 289801, 331895, 579602, 623815, 663790, 1128443, 1247630, 1449005, 2256886, 2898010, 4926617, 5642215, 9853234, 11284430, 11881841, 23763682, 24633085, 49266170, 59409205, 118818410, 201991297, 403982594, 1009956485, 2019912970]

約数ペア:

[(1, 2019912970), (2, 1009956485), (5, 403982594), (10, 201991297), (17, 118818410), (34, 59409205), (41, 49266170), (82, 24633085), (85, 23763682), (170, 11881841), (179, 11284430), (205, 9853234), (358, 5642215), (410, 4926617), (697, 2898010), (895, 2256886), (1394, 1449005), (1619, 1247630), (1790, 1128443), (3043, 663790), (3238, 623815), (3485, 579602), (6086, 331895), (6970, 289801), (7339, 275230), (8095, 249526), (14678, 137615), (15215, 132758), (16190, 124763), (27523, 73390), (30430, 66379), (36695, 55046)]