403798460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{193}}^1\times {\mathrm{619}}^1$

素因数の和:847

約数の個数: 72

約数和(自身を含む): 924472080

約数和(自身を除く): 520673620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 193, 260, 338, 386, 619, 676, 772, 845, 965, 1238, 1690, 1930, 2476, 2509, 3095, 3380, 3860, 5018, 6190, 8047, 10036, 12380, 12545, 16094, 25090, 32188, 32617, 40235, 50180, 65234, 80470, 104611, 119467, 130468, 160940, 163085, 209222, 238934, 326170, 418444, 477868, 523055, 597335, 652340, 1046110, 1194670, 1553071, 2092220, 2389340, 3106142, 6212284, 7765355, 15530710, 20189923, 31061420, 40379846, 80759692, 100949615, 201899230, 403798460]

約数ペア:

[(1, 403798460), (2, 201899230), (4, 100949615), (5, 80759692), (10, 40379846), (13, 31061420), (20, 20189923), (26, 15530710), (52, 7765355), (65, 6212284), (130, 3106142), (169, 2389340), (193, 2092220), (260, 1553071), (338, 1194670), (386, 1046110), (619, 652340), (676, 597335), (772, 523055), (845, 477868), (965, 418444), (1238, 326170), (1690, 238934), (1930, 209222), (2476, 163085), (2509, 160940), (3095, 130468), (3380, 119467), (3860, 104611), (5018, 80470), (6190, 65234), (8047, 50180), (10036, 40235), (12380, 32617), (12545, 32188), (16094, 25090)]