399587220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{20747}}^1$

素因数の和:20869

約数の個数: 72

約数和(自身を含む): 1223468064

約数和(自身を除く): 823880844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 963, 1070, 1284, 1605, 1926, 2140, 3210, 3852, 4815, 6420, 9630, 19260, 20747, 41494, 62241, 82988, 103735, 124482, 186723, 207470, 248964, 311205, 373446, 414940, 622410, 746892, 933615, 1244820, 1867230, 2219929, 3734460, 4439858, 6659787, 8879716, 11099645, 13319574, 19979361, 22199290, 26639148, 33298935, 39958722, 44398580, 66597870, 79917444, 99896805, 133195740, 199793610, 399587220]

約数ペア:

[(1, 399587220), (2, 199793610), (3, 133195740), (4, 99896805), (5, 79917444), (6, 66597870), (9, 44398580), (10, 39958722), (12, 33298935), (15, 26639148), (18, 22199290), (20, 19979361), (30, 13319574), (36, 11099645), (45, 8879716), (60, 6659787), (90, 4439858), (107, 3734460), (180, 2219929), (214, 1867230), (321, 1244820), (428, 933615), (535, 746892), (642, 622410), (963, 414940), (1070, 373446), (1284, 311205), (1605, 248964), (1926, 207470), (2140, 186723), (3210, 124482), (3852, 103735), (4815, 82988), (6420, 62241), (9630, 41494), (19260, 20747)]