9919210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:199

約数の個数: 64

約数和(自身を含む): 21855744

約数和(自身を除く): 11936534

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 61, 70, 101, 115, 122, 161, 202, 230, 305, 322, 427, 505, 610, 707, 805, 854, 1010, 1403, 1414, 1610, 2135, 2323, 2806, 3535, 4270, 4646, 6161, 7015, 7070, 9821, 11615, 12322, 14030, 16261, 19642, 23230, 30805, 32522, 43127, 49105, 61610, 81305, 86254, 98210, 141703, 162610, 215635, 283406, 431270, 708515, 991921, 1417030, 1983842, 4959605, 9919210]

約数ペア:

[(1, 9919210), (2, 4959605), (5, 1983842), (7, 1417030), (10, 991921), (14, 708515), (23, 431270), (35, 283406), (46, 215635), (61, 162610), (70, 141703), (101, 98210), (115, 86254), (122, 81305), (161, 61610), (202, 49105), (230, 43127), (305, 32522), (322, 30805), (427, 23230), (505, 19642), (610, 16261), (707, 14030), (805, 12322), (854, 11615), (1010, 9821), (1403, 7070), (1414, 7015), (1610, 6161), (2135, 4646), (2323, 4270), (2806, 3535)]