961991470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{2543}}^1$

素因数の和:2761

約数の個数: 64

約数和(自身を含む): 2000194560

約数和(自身を除く): 1038203090

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 181, 190, 209, 362, 418, 905, 1045, 1810, 1991, 2090, 2543, 3439, 3982, 5086, 6878, 9955, 12715, 17195, 19910, 25430, 27973, 34390, 37829, 48317, 55946, 75658, 96634, 139865, 189145, 241585, 279730, 378290, 460283, 483170, 531487, 920566, 1062974, 2301415, 2657435, 4602830, 5063113, 5314870, 8745377, 10126226, 17490754, 25315565, 43726885, 50631130, 87453770, 96199147, 192398294, 480995735, 961991470]

約数ペア:

[(1, 961991470), (2, 480995735), (5, 192398294), (10, 96199147), (11, 87453770), (19, 50631130), (22, 43726885), (38, 25315565), (55, 17490754), (95, 10126226), (110, 8745377), (181, 5314870), (190, 5063113), (209, 4602830), (362, 2657435), (418, 2301415), (905, 1062974), (1045, 920566), (1810, 531487), (1991, 483170), (2090, 460283), (2543, 378290), (3439, 279730), (3982, 241585), (5086, 189145), (6878, 139865), (9955, 96634), (12715, 75658), (17195, 55946), (19910, 48317), (25430, 37829), (27973, 34390)]