7967890

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:152

約数の個数: 64

約数和(自身を含む): 17625600

約数和(自身を除く): 9657710

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 101, 115, 161, 202, 230, 245, 322, 343, 490, 505, 686, 707, 805, 1010, 1127, 1414, 1610, 1715, 2254, 2323, 3430, 3535, 4646, 4949, 5635, 7070, 7889, 9898, 11270, 11615, 15778, 16261, 23230, 24745, 32522, 34643, 39445, 49490, 69286, 78890, 81305, 113827, 162610, 173215, 227654, 346430, 569135, 796789, 1138270, 1593578, 3983945, 7967890]

約数ペア:

[(1, 7967890), (2, 3983945), (5, 1593578), (7, 1138270), (10, 796789), (14, 569135), (23, 346430), (35, 227654), (46, 173215), (49, 162610), (70, 113827), (98, 81305), (101, 78890), (115, 69286), (161, 49490), (202, 39445), (230, 34643), (245, 32522), (322, 24745), (343, 23230), (490, 16261), (505, 15778), (686, 11615), (707, 11270), (805, 9898), (1010, 7889), (1127, 7070), (1414, 5635), (1610, 4949), (1715, 4646), (2254, 3535), (2323, 3430)]