401110325

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{103}}^1$

素因数の和:172

約数の個数: 108

約数和(自身を含む): 677001312

約数和(自身を除く): 275890987

約数列:

[1, 5, 7, 11, 17, 25, 35, 49, 55, 77, 85, 103, 119, 175, 187, 245, 275, 289, 385, 425, 515, 539, 595, 721, 833, 935, 1133, 1225, 1309, 1445, 1751, 1925, 2023, 2575, 2695, 2975, 3179, 3605, 4165, 4675, 5047, 5665, 6545, 7225, 7931, 8755, 9163, 10115, 12257, 13475, 14161, 15895, 18025, 19261, 20825, 22253, 25235, 28325, 29767, 32725, 39655, 43775, 45815, 50575, 55517, 61285, 70805, 79475, 85799, 96305, 111265, 126175, 134827, 148835, 155771, 198275, 208369, 229075, 277585, 306425, 327437, 354025, 428995, 481525, 556325, 674135, 744175, 778855, 943789, 1041845, 1387925, 1458583, 1637185, 2144975, 2292059, 3370675, 3894275, 4718945, 5209225, 7292915, 8185925, 11460295, 16044413, 23594725, 36464575, 57301475, 80222065, 401110325]

約数ペア:

[(1, 401110325), (5, 80222065), (7, 57301475), (11, 36464575), (17, 23594725), (25, 16044413), (35, 11460295), (49, 8185925), (55, 7292915), (77, 5209225), (85, 4718945), (103, 3894275), (119, 3370675), (175, 2292059), (187, 2144975), (245, 1637185), (275, 1458583), (289, 1387925), (385, 1041845), (425, 943789), (515, 778855), (539, 744175), (595, 674135), (721, 556325), (833, 481525), (935, 428995), (1133, 354025), (1225, 327437), (1309, 306425), (1445, 277585), (1751, 229075), (1925, 208369), (2023, 198275), (2575, 155771), (2695, 148835), (2975, 134827), (3179, 126175), (3605, 111265), (4165, 96305), (4675, 85799), (5047, 79475), (5665, 70805), (6545, 61285), (7225, 55517), (7931, 50575), (8755, 45815), (9163, 43775), (10115, 39655), (12257, 32725), (13475, 29767), (14161, 28325), (15895, 25235), (18025, 22253), (19261, 20825)]