1330502440

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{2467}}^1$

素因数の和:2714

約数の個数: 64

約数和(自身を含む): 3047486400

約数和(自身を除く): 1716983960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 139, 194, 278, 388, 485, 556, 695, 776, 970, 1112, 1390, 1940, 2467, 2780, 3880, 4934, 5560, 9868, 12335, 13483, 19736, 24670, 26966, 49340, 53932, 67415, 98680, 107864, 134830, 239299, 269660, 342913, 478598, 539320, 685826, 957196, 1196495, 1371652, 1714565, 1914392, 2392990, 2743304, 3429130, 4785980, 6858260, 9571960, 13716520, 33262561, 66525122, 133050244, 166312805, 266100488, 332625610, 665251220, 1330502440]

約数ペア:

[(1, 1330502440), (2, 665251220), (4, 332625610), (5, 266100488), (8, 166312805), (10, 133050244), (20, 66525122), (40, 33262561), (97, 13716520), (139, 9571960), (194, 6858260), (278, 4785980), (388, 3429130), (485, 2743304), (556, 2392990), (695, 1914392), (776, 1714565), (970, 1371652), (1112, 1196495), (1390, 957196), (1940, 685826), (2467, 539320), (2780, 478598), (3880, 342913), (4934, 269660), (5560, 239299), (9868, 134830), (12335, 107864), (13483, 98680), (19736, 67415), (24670, 53932), (26966, 49340)]