402721690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:384

約数の個数: 96

約数和(自身を含む): 878789520

約数和(自身を除く): 476067830

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 49, 70, 74, 97, 98, 185, 194, 229, 245, 259, 370, 458, 485, 490, 518, 679, 970, 1145, 1295, 1358, 1603, 1813, 2290, 2590, 3206, 3395, 3589, 3626, 4753, 6790, 7178, 8015, 8473, 9065, 9506, 11221, 16030, 16946, 17945, 18130, 22213, 22442, 23765, 25123, 35890, 42365, 44426, 47530, 50246, 56105, 59311, 84730, 111065, 112210, 118622, 125615, 155491, 175861, 222130, 251230, 296555, 310982, 351722, 415177, 593110, 777455, 821881, 830354, 879305, 1088437, 1554910, 1643762, 1758610, 2075885, 2176874, 4109405, 4151770, 5442185, 5753167, 8218810, 10884370, 11506334, 28765835, 40272169, 57531670, 80544338, 201360845, 402721690]

約数ペア:

[(1, 402721690), (2, 201360845), (5, 80544338), (7, 57531670), (10, 40272169), (14, 28765835), (35, 11506334), (37, 10884370), (49, 8218810), (70, 5753167), (74, 5442185), (97, 4151770), (98, 4109405), (185, 2176874), (194, 2075885), (229, 1758610), (245, 1643762), (259, 1554910), (370, 1088437), (458, 879305), (485, 830354), (490, 821881), (518, 777455), (679, 593110), (970, 415177), (1145, 351722), (1295, 310982), (1358, 296555), (1603, 251230), (1813, 222130), (2290, 175861), (2590, 155491), (3206, 125615), (3395, 118622), (3589, 112210), (3626, 111065), (4753, 84730), (6790, 59311), (7178, 56105), (8015, 50246), (8473, 47530), (9065, 44426), (9506, 42365), (11221, 35890), (16030, 25123), (16946, 23765), (17945, 22442), (18130, 22213)]