9887788900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{1459}}^1$

素因数の和:1646

約数の個数: 144

約数和(自身を含む): 24042836160

約数和(自身を除く): 14155047260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 61, 100, 101, 110, 122, 202, 220, 244, 275, 305, 404, 505, 550, 610, 671, 1010, 1100, 1111, 1220, 1342, 1459, 1525, 2020, 2222, 2525, 2684, 2918, 3050, 3355, 4444, 5050, 5555, 5836, 6100, 6161, 6710, 7295, 10100, 11110, 12322, 13420, 14590, 16049, 16775, 22220, 24644, 27775, 29180, 30805, 32098, 33550, 36475, 55550, 61610, 64196, 67100, 67771, 72950, 80245, 88999, 111100, 123220, 135542, 145900, 147359, 154025, 160490, 177998, 271084, 294718, 308050, 320980, 338855, 355996, 401225, 444995, 589436, 616100, 677710, 736795, 802450, 889990, 978989, 1355420, 1473590, 1604900, 1620949, 1694275, 1779980, 1957978, 2224975, 2947180, 3241898, 3388550, 3683975, 3915956, 4449950, 4894945, 6483796, 6777100, 7367950, 8104745, 8899900, 8988899, 9789890, 14735900, 16209490, 17977798, 19579780, 24474725, 32418980, 35955596, 40523725, 44944495, 48949450, 81047450, 89888990, 97898900, 98877889, 162094900, 179777980, 197755778, 224722475, 395511556, 449444950, 494389445, 898889900, 988778890, 1977557780, 2471947225, 4943894450, 9887788900]

約数ペア:

[(1, 9887788900), (2, 4943894450), (4, 2471947225), (5, 1977557780), (10, 988778890), (11, 898889900), (20, 494389445), (22, 449444950), (25, 395511556), (44, 224722475), (50, 197755778), (55, 179777980), (61, 162094900), (100, 98877889), (101, 97898900), (110, 89888990), (122, 81047450), (202, 48949450), (220, 44944495), (244, 40523725), (275, 35955596), (305, 32418980), (404, 24474725), (505, 19579780), (550, 17977798), (610, 16209490), (671, 14735900), (1010, 9789890), (1100, 8988899), (1111, 8899900), (1220, 8104745), (1342, 7367950), (1459, 6777100), (1525, 6483796), (2020, 4894945), (2222, 4449950), (2525, 3915956), (2684, 3683975), (2918, 3388550), (3050, 3241898), (3355, 2947180), (4444, 2224975), (5050, 1957978), (5555, 1779980), (5836, 1694275), (6100, 1620949), (6161, 1604900), (6710, 1473590), (7295, 1355420), (10100, 978989), (11110, 889990), (12322, 802450), (13420, 736795), (14590, 677710), (16049, 616100), (16775, 589436), (22220, 444995), (24644, 401225), (27775, 355996), (29180, 338855), (30805, 320980), (32098, 308050), (33550, 294718), (36475, 271084), (55550, 177998), (61610, 160490), (64196, 154025), (67100, 147359), (67771, 145900), (72950, 135542), (80245, 123220), (88999, 111100)]