1982814540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{248473}}^1$

素因数の和:248511

約数の個数: 96

約数和(自身を含む): 6678981120

約数和(自身を除く): 4696166580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 248473, 496946, 745419, 993892, 1242365, 1490838, 1739311, 2484730, 2981676, 3478622, 3727095, 4720987, 4969460, 5217933, 6957244, 7454190, 8696555, 9441974, 10435866, 14162961, 14908380, 17393110, 18883948, 20871732, 23604935, 26089665, 28325922, 33046909, 34786220, 47209870, 52179330, 56651844, 66093818, 70814805, 94419740, 99140727, 104358660, 132187636, 141629610, 165234545, 198281454, 283259220, 330469090, 396562908, 495703635, 660938180, 991407270, 1982814540]

約数ペア:

[(1, 1982814540), (2, 991407270), (3, 660938180), (4, 495703635), (5, 396562908), (6, 330469090), (7, 283259220), (10, 198281454), (12, 165234545), (14, 141629610), (15, 132187636), (19, 104358660), (20, 99140727), (21, 94419740), (28, 70814805), (30, 66093818), (35, 56651844), (38, 52179330), (42, 47209870), (57, 34786220), (60, 33046909), (70, 28325922), (76, 26089665), (84, 23604935), (95, 20871732), (105, 18883948), (114, 17393110), (133, 14908380), (140, 14162961), (190, 10435866), (210, 9441974), (228, 8696555), (266, 7454190), (285, 6957244), (380, 5217933), (399, 4969460), (420, 4720987), (532, 3727095), (570, 3478622), (665, 2981676), (798, 2484730), (1140, 1739311), (1330, 1490838), (1596, 1242365), (1995, 993892), (2660, 745419), (3990, 496946), (7980, 248473)]