889115220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1999}}^1$

素因数の和:2374

約数の個数: 144

約数和(自身を含む): 3092544000

約数和(自身を除く): 2203428780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 353, 420, 630, 706, 1059, 1260, 1412, 1765, 1999, 2118, 2471, 3177, 3530, 3998, 4236, 4942, 5295, 5997, 6354, 7060, 7413, 7996, 9884, 9995, 10590, 11994, 12355, 12708, 13993, 14826, 15885, 17991, 19990, 21180, 22239, 23988, 24710, 27986, 29652, 29985, 31770, 35982, 37065, 39980, 41979, 44478, 49420, 55972, 59970, 63540, 69965, 71964, 74130, 83958, 88956, 89955, 111195, 119940, 125937, 139930, 148260, 167916, 179910, 209895, 222390, 251874, 279860, 359820, 419790, 444780, 503748, 629685, 705647, 839580, 1259370, 1411294, 2116941, 2518740, 2822588, 3528235, 4233882, 4939529, 6350823, 7056470, 8467764, 9879058, 10584705, 12701646, 14112940, 14818587, 19758116, 21169410, 24697645, 25403292, 29637174, 31754115, 42338820, 44455761, 49395290, 59274348, 63508230, 74092935, 88911522, 98790580, 127016460, 148185870, 177823044, 222278805, 296371740, 444557610, 889115220]

約数ペア:

[(1, 889115220), (2, 444557610), (3, 296371740), (4, 222278805), (5, 177823044), (6, 148185870), (7, 127016460), (9, 98790580), (10, 88911522), (12, 74092935), (14, 63508230), (15, 59274348), (18, 49395290), (20, 44455761), (21, 42338820), (28, 31754115), (30, 29637174), (35, 25403292), (36, 24697645), (42, 21169410), (45, 19758116), (60, 14818587), (63, 14112940), (70, 12701646), (84, 10584705), (90, 9879058), (105, 8467764), (126, 7056470), (140, 6350823), (180, 4939529), (210, 4233882), (252, 3528235), (315, 2822588), (353, 2518740), (420, 2116941), (630, 1411294), (706, 1259370), (1059, 839580), (1260, 705647), (1412, 629685), (1765, 503748), (1999, 444780), (2118, 419790), (2471, 359820), (3177, 279860), (3530, 251874), (3998, 222390), (4236, 209895), (4942, 179910), (5295, 167916), (5997, 148260), (6354, 139930), (7060, 125937), (7413, 119940), (7996, 111195), (9884, 89955), (9995, 88956), (10590, 83958), (11994, 74130), (12355, 71964), (12708, 69965), (13993, 63540), (14826, 59970), (15885, 55972), (17991, 49420), (19990, 44478), (21180, 41979), (22239, 39980), (23988, 37065), (24710, 35982), (27986, 31770), (29652, 29985)]