1640961910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{3761}}^1$

素因数の和:4069

約数の個数: 64

約数和(自身を含む): 3536400384

約数和(自身を除く): 1895438474

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 271, 322, 542, 805, 1355, 1610, 1897, 2710, 3761, 3794, 6233, 7522, 9485, 12466, 18805, 18970, 26327, 31165, 37610, 43631, 52654, 62330, 86503, 87262, 131635, 173006, 218155, 263270, 432515, 436310, 605521, 865030, 1019231, 1211042, 2038462, 3027605, 5096155, 6055210, 7134617, 10192310, 14269234, 23442313, 35673085, 46884626, 71346170, 117211565, 164096191, 234423130, 328192382, 820480955, 1640961910]

約数ペア:

[(1, 1640961910), (2, 820480955), (5, 328192382), (7, 234423130), (10, 164096191), (14, 117211565), (23, 71346170), (35, 46884626), (46, 35673085), (70, 23442313), (115, 14269234), (161, 10192310), (230, 7134617), (271, 6055210), (322, 5096155), (542, 3027605), (805, 2038462), (1355, 1211042), (1610, 1019231), (1897, 865030), (2710, 605521), (3761, 436310), (3794, 432515), (6233, 263270), (7522, 218155), (9485, 173006), (12466, 131635), (18805, 87262), (18970, 86503), (26327, 62330), (31165, 52654), (37610, 43631)]