215454470

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:666

約数の個数: 96

約数和(自身を含む): 499965696

約数和(自身を除く): 284511226

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 71, 77, 98, 110, 142, 154, 245, 355, 385, 490, 497, 539, 563, 710, 770, 781, 994, 1078, 1126, 1562, 2485, 2695, 2815, 3479, 3905, 3941, 4970, 5390, 5467, 5630, 6193, 6958, 7810, 7882, 10934, 12386, 17395, 19705, 27335, 27587, 30965, 34790, 38269, 39410, 39973, 43351, 54670, 55174, 61930, 76538, 79946, 86702, 137935, 191345, 199865, 216755, 275870, 279811, 303457, 382690, 399730, 433510, 439703, 559622, 606914, 879406, 1399055, 1517285, 1958677, 2198515, 2798110, 3034570, 3077921, 3917354, 4397030, 6155842, 9793385, 15389605, 19586770, 21545447, 30779210, 43090894, 107727235, 215454470]

約数ペア:

[(1, 215454470), (2, 107727235), (5, 43090894), (7, 30779210), (10, 21545447), (11, 19586770), (14, 15389605), (22, 9793385), (35, 6155842), (49, 4397030), (55, 3917354), (70, 3077921), (71, 3034570), (77, 2798110), (98, 2198515), (110, 1958677), (142, 1517285), (154, 1399055), (245, 879406), (355, 606914), (385, 559622), (490, 439703), (497, 433510), (539, 399730), (563, 382690), (710, 303457), (770, 279811), (781, 275870), (994, 216755), (1078, 199865), (1126, 191345), (1562, 137935), (2485, 86702), (2695, 79946), (2815, 76538), (3479, 61930), (3905, 55174), (3941, 54670), (4970, 43351), (5390, 39973), (5467, 39410), (5630, 38269), (6193, 34790), (6958, 30965), (7810, 27587), (7882, 27335), (10934, 19705), (12386, 17395)]