2047768940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{1493}}^1$

素因数の和:1707

約数の個数: 96

約数和(自身を含む): 5017832064

約数和(自身を除く): 2970063124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 101, 140, 194, 202, 388, 404, 485, 505, 679, 707, 970, 1010, 1358, 1414, 1493, 1940, 2020, 2716, 2828, 2986, 3395, 3535, 5972, 6790, 7070, 7465, 9797, 10451, 13580, 14140, 14930, 19594, 20902, 29860, 39188, 41804, 48985, 52255, 68579, 97970, 104510, 137158, 144821, 150793, 195940, 209020, 274316, 289642, 301586, 342895, 579284, 603172, 685790, 724105, 753965, 1013747, 1055551, 1371580, 1448210, 1507930, 2027494, 2111102, 2896420, 3015860, 4054988, 4222204, 5068735, 5277755, 10137470, 10555510, 14626921, 20274940, 21111020, 29253842, 58507684, 73134605, 102388447, 146269210, 204776894, 292538420, 409553788, 511942235, 1023884470, 2047768940]

約数ペア:

[(1, 2047768940), (2, 1023884470), (4, 511942235), (5, 409553788), (7, 292538420), (10, 204776894), (14, 146269210), (20, 102388447), (28, 73134605), (35, 58507684), (70, 29253842), (97, 21111020), (101, 20274940), (140, 14626921), (194, 10555510), (202, 10137470), (388, 5277755), (404, 5068735), (485, 4222204), (505, 4054988), (679, 3015860), (707, 2896420), (970, 2111102), (1010, 2027494), (1358, 1507930), (1414, 1448210), (1493, 1371580), (1940, 1055551), (2020, 1013747), (2716, 753965), (2828, 724105), (2986, 685790), (3395, 603172), (3535, 579284), (5972, 342895), (6790, 301586), (7070, 289642), (7465, 274316), (9797, 209020), (10451, 195940), (13580, 150793), (14140, 144821), (14930, 137158), (19594, 104510), (20902, 97970), (29860, 68579), (39188, 52255), (41804, 48985)]