144984820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{467}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 329513184

約数和(自身を除く): 184528364

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 361, 380, 430, 467, 722, 817, 860, 934, 1444, 1634, 1805, 1868, 2335, 3268, 3610, 4085, 4670, 7220, 8170, 8873, 9340, 15523, 16340, 17746, 20081, 31046, 35492, 40162, 44365, 62092, 77615, 80324, 88730, 100405, 155230, 168587, 177460, 200810, 310460, 337174, 381539, 401620, 674348, 763078, 842935, 1526156, 1685870, 1907695, 3371740, 3815390, 7249241, 7630780, 14498482, 28996964, 36246205, 72492410, 144984820]

約数ペア:

[(1, 144984820), (2, 72492410), (4, 36246205), (5, 28996964), (10, 14498482), (19, 7630780), (20, 7249241), (38, 3815390), (43, 3371740), (76, 1907695), (86, 1685870), (95, 1526156), (172, 842935), (190, 763078), (215, 674348), (361, 401620), (380, 381539), (430, 337174), (467, 310460), (722, 200810), (817, 177460), (860, 168587), (934, 155230), (1444, 100405), (1634, 88730), (1805, 80324), (1868, 77615), (2335, 62092), (3268, 44365), (3610, 40162), (4085, 35492), (4670, 31046), (7220, 20081), (8170, 17746), (8873, 16340), (9340, 15523)]