90904520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3347}}^1$

素因数の和:3462

約数の個数: 64

約数和(自身を含む): 236234880

約数和(自身を除く): 145330360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 679, 776, 970, 1358, 1940, 2716, 3347, 3395, 3880, 5432, 6694, 6790, 13388, 13580, 16735, 23429, 26776, 27160, 33470, 46858, 66940, 93716, 117145, 133880, 187432, 234290, 324659, 468580, 649318, 937160, 1298636, 1623295, 2272613, 2597272, 3246590, 4545226, 6493180, 9090452, 11363065, 12986360, 18180904, 22726130, 45452260, 90904520]

約数ペア:

[(1, 90904520), (2, 45452260), (4, 22726130), (5, 18180904), (7, 12986360), (8, 11363065), (10, 9090452), (14, 6493180), (20, 4545226), (28, 3246590), (35, 2597272), (40, 2272613), (56, 1623295), (70, 1298636), (97, 937160), (140, 649318), (194, 468580), (280, 324659), (388, 234290), (485, 187432), (679, 133880), (776, 117145), (970, 93716), (1358, 66940), (1940, 46858), (2716, 33470), (3347, 27160), (3395, 26776), (3880, 23429), (5432, 16735), (6694, 13580), (6790, 13388)]