149740520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2699}}^1$

素因数の和:2802

約数の個数: 64

約数和(自身を含む): 359640000

約数和(自身を除く): 209899480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 73, 76, 95, 146, 152, 190, 292, 365, 380, 584, 730, 760, 1387, 1460, 2699, 2774, 2920, 5398, 5548, 6935, 10796, 11096, 13495, 13870, 21592, 26990, 27740, 51281, 53980, 55480, 102562, 107960, 197027, 205124, 256405, 394054, 410248, 512810, 788108, 985135, 1025620, 1576216, 1970270, 2051240, 3743513, 3940540, 7487026, 7881080, 14974052, 18717565, 29948104, 37435130, 74870260, 149740520]

約数ペア:

[(1, 149740520), (2, 74870260), (4, 37435130), (5, 29948104), (8, 18717565), (10, 14974052), (19, 7881080), (20, 7487026), (38, 3940540), (40, 3743513), (73, 2051240), (76, 1970270), (95, 1576216), (146, 1025620), (152, 985135), (190, 788108), (292, 512810), (365, 410248), (380, 394054), (584, 256405), (730, 205124), (760, 197027), (1387, 107960), (1460, 102562), (2699, 55480), (2774, 53980), (2920, 51281), (5398, 27740), (5548, 26990), (6935, 21592), (10796, 13870), (11096, 13495)]