971303725

素因数分解:

$5^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:323

約数の個数: 72

約数和(自身を含む): 1450353600

約数和(自身を除く): 479049875

約数列:

[1, 5, 7, 25, 35, 49, 59, 89, 151, 175, 245, 295, 413, 445, 623, 755, 1057, 1225, 1475, 2065, 2225, 2891, 3115, 3775, 4361, 5251, 5285, 7399, 8909, 10325, 13439, 14455, 15575, 21805, 26255, 26425, 36757, 36995, 44545, 62363, 67195, 72275, 94073, 109025, 131275, 183785, 184975, 222725, 257299, 311815, 335975, 436541, 470365, 658511, 792901, 918925, 1286495, 1559075, 2182705, 2351825, 3292555, 3964505, 5550307, 6432475, 10913525, 16462775, 19822525, 27751535, 38852149, 138757675, 194260745, 971303725]

約数ペア:

[(1, 971303725), (5, 194260745), (7, 138757675), (25, 38852149), (35, 27751535), (49, 19822525), (59, 16462775), (89, 10913525), (151, 6432475), (175, 5550307), (245, 3964505), (295, 3292555), (413, 2351825), (445, 2182705), (623, 1559075), (755, 1286495), (1057, 918925), (1225, 792901), (1475, 658511), (2065, 470365), (2225, 436541), (2891, 335975), (3115, 311815), (3775, 257299), (4361, 222725), (5251, 184975), (5285, 183785), (7399, 131275), (8909, 109025), (10325, 94073), (13439, 72275), (14455, 67195), (15575, 62363), (21805, 44545), (26255, 36995), (26425, 36757)]