98988890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:109

約数の個数: 192

約数和(自身を含む): 257402880

約数和(自身を除く): 158413990

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 29, 31, 35, 55, 58, 62, 65, 70, 77, 91, 110, 121, 130, 143, 145, 154, 155, 182, 203, 217, 242, 286, 290, 310, 319, 341, 377, 385, 403, 406, 434, 455, 605, 638, 682, 715, 754, 770, 806, 847, 899, 910, 1001, 1015, 1085, 1210, 1430, 1573, 1595, 1694, 1705, 1798, 1885, 2002, 2015, 2030, 2170, 2233, 2387, 2639, 2821, 3146, 3190, 3410, 3509, 3751, 3770, 4030, 4147, 4235, 4433, 4466, 4495, 4774, 5005, 5278, 5642, 6293, 7018, 7502, 7865, 8294, 8470, 8866, 8990, 9889, 10010, 11011, 11165, 11687, 11935, 12586, 13195, 14105, 15730, 17545, 18755, 19778, 20735, 22022, 22165, 22330, 23374, 23870, 24563, 26257, 26390, 28210, 29029, 31031, 31465, 35090, 37510, 41470, 44330, 45617, 48763, 49126, 49445, 52514, 55055, 58058, 58435, 62062, 62930, 69223, 81809, 91234, 97526, 98890, 108779, 110110, 116870, 122815, 128557, 131285, 138446, 145145, 155155, 163618, 217558, 228085, 243815, 245630, 257114, 262570, 290290, 310310, 319319, 341341, 346115, 409045, 456170, 487630, 543895, 638638, 642785, 682682, 692230, 761453, 818090, 899899, 1087790, 1285570, 1414127, 1522906, 1596595, 1706705, 1799798, 2828254, 3193190, 3413410, 3807265, 4499495, 7070635, 7614530, 8998990, 9898889, 14141270, 19797778, 49494445, 98988890]

約数ペア:

[(1, 98988890), (2, 49494445), (5, 19797778), (7, 14141270), (10, 9898889), (11, 8998990), (13, 7614530), (14, 7070635), (22, 4499495), (26, 3807265), (29, 3413410), (31, 3193190), (35, 2828254), (55, 1799798), (58, 1706705), (62, 1596595), (65, 1522906), (70, 1414127), (77, 1285570), (91, 1087790), (110, 899899), (121, 818090), (130, 761453), (143, 692230), (145, 682682), (154, 642785), (155, 638638), (182, 543895), (203, 487630), (217, 456170), (242, 409045), (286, 346115), (290, 341341), (310, 319319), (319, 310310), (341, 290290), (377, 262570), (385, 257114), (403, 245630), (406, 243815), (434, 228085), (455, 217558), (605, 163618), (638, 155155), (682, 145145), (715, 138446), (754, 131285), (770, 128557), (806, 122815), (847, 116870), (899, 110110), (910, 108779), (1001, 98890), (1015, 97526), (1085, 91234), (1210, 81809), (1430, 69223), (1573, 62930), (1595, 62062), (1694, 58435), (1705, 58058), (1798, 55055), (1885, 52514), (2002, 49445), (2015, 49126), (2030, 48763), (2170, 45617), (2233, 44330), (2387, 41470), (2639, 37510), (2821, 35090), (3146, 31465), (3190, 31031), (3410, 29029), (3509, 28210), (3751, 26390), (3770, 26257), (4030, 24563), (4147, 23870), (4235, 23374), (4433, 22330), (4466, 22165), (4495, 22022), (4774, 20735), (5005, 19778), (5278, 18755), (5642, 17545), (6293, 15730), (7018, 14105), (7502, 13195), (7865, 12586), (8294, 11935), (8470, 11687), (8866, 11165), (8990, 11011), (9889, 10010)]