31199140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:389

約数の個数: 96

約数和(自身を含む): 81204480

約数和(自身を除く): 50005340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 37, 38, 70, 74, 76, 95, 133, 140, 148, 185, 190, 259, 266, 317, 370, 380, 518, 532, 634, 665, 703, 740, 1036, 1268, 1295, 1330, 1406, 1585, 2219, 2590, 2660, 2812, 3170, 3515, 4438, 4921, 5180, 6023, 6340, 7030, 8876, 9842, 11095, 11729, 12046, 14060, 19684, 22190, 23458, 24092, 24605, 30115, 42161, 44380, 46916, 49210, 58645, 60230, 82103, 84322, 98420, 117290, 120460, 164206, 168644, 210805, 222851, 234580, 328412, 410515, 421610, 445702, 821030, 843220, 891404, 1114255, 1559957, 1642060, 2228510, 3119914, 4457020, 6239828, 7799785, 15599570, 31199140]

約数ペア:

[(1, 31199140), (2, 15599570), (4, 7799785), (5, 6239828), (7, 4457020), (10, 3119914), (14, 2228510), (19, 1642060), (20, 1559957), (28, 1114255), (35, 891404), (37, 843220), (38, 821030), (70, 445702), (74, 421610), (76, 410515), (95, 328412), (133, 234580), (140, 222851), (148, 210805), (185, 168644), (190, 164206), (259, 120460), (266, 117290), (317, 98420), (370, 84322), (380, 82103), (518, 60230), (532, 58645), (634, 49210), (665, 46916), (703, 44380), (740, 42161), (1036, 30115), (1268, 24605), (1295, 24092), (1330, 23458), (1406, 22190), (1585, 19684), (2219, 14060), (2590, 12046), (2660, 11729), (2812, 11095), (3170, 9842), (3515, 8876), (4438, 7030), (4921, 6340), (5180, 6023)]