69728680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1901}}^1$

素因数の和:2050

約数の個数: 64

約数和(自身を含む): 180766080

約数和(自身を除く): 111037400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1310, 1834, 1901, 2620, 3668, 3802, 4585, 5240, 7336, 7604, 9170, 9505, 13307, 15208, 18340, 19010, 26614, 36680, 38020, 53228, 66535, 76040, 106456, 133070, 249031, 266140, 498062, 532280, 996124, 1245155, 1743217, 1992248, 2490310, 3486434, 4980620, 6972868, 8716085, 9961240, 13945736, 17432170, 34864340, 69728680]

約数ペア:

[(1, 69728680), (2, 34864340), (4, 17432170), (5, 13945736), (7, 9961240), (8, 8716085), (10, 6972868), (14, 4980620), (20, 3486434), (28, 2490310), (35, 1992248), (40, 1743217), (56, 1245155), (70, 996124), (131, 532280), (140, 498062), (262, 266140), (280, 249031), (524, 133070), (655, 106456), (917, 76040), (1048, 66535), (1310, 53228), (1834, 38020), (1901, 36680), (2620, 26614), (3668, 19010), (3802, 18340), (4585, 15208), (5240, 13307), (7336, 9505), (7604, 9170)]