8998990

素因数分解:

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

素因数の和:98

約数の個数: 128

約数和(自身を含む): 23224320

約数和(自身を除く): 14225330

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 29, 31, 35, 55, 58, 62, 65, 70, 77, 91, 110, 130, 143, 145, 154, 155, 182, 203, 217, 286, 290, 310, 319, 341, 377, 385, 403, 406, 434, 455, 638, 682, 715, 754, 770, 806, 899, 910, 1001, 1015, 1085, 1430, 1595, 1705, 1798, 1885, 2002, 2015, 2030, 2170, 2233, 2387, 2639, 2821, 3190, 3410, 3770, 4030, 4147, 4433, 4466, 4495, 4774, 5005, 5278, 5642, 6293, 8294, 8866, 8990, 9889, 10010, 11165, 11687, 11935, 12586, 13195, 14105, 19778, 20735, 22165, 22330, 23374, 23870, 26390, 28210, 29029, 31031, 31465, 41470, 44330, 49445, 58058, 58435, 62062, 62930, 69223, 81809, 98890, 116870, 128557, 138446, 145145, 155155, 163618, 257114, 290290, 310310, 346115, 409045, 642785, 692230, 818090, 899899, 1285570, 1799798, 4499495, 8998990]

約数ペア:

[(1, 8998990), (2, 4499495), (5, 1799798), (7, 1285570), (10, 899899), (11, 818090), (13, 692230), (14, 642785), (22, 409045), (26, 346115), (29, 310310), (31, 290290), (35, 257114), (55, 163618), (58, 155155), (62, 145145), (65, 138446), (70, 128557), (77, 116870), (91, 98890), (110, 81809), (130, 69223), (143, 62930), (145, 62062), (154, 58435), (155, 58058), (182, 49445), (203, 44330), (217, 41470), (286, 31465), (290, 31031), (310, 29029), (319, 28210), (341, 26390), (377, 23870), (385, 23374), (403, 22330), (406, 22165), (434, 20735), (455, 19778), (638, 14105), (682, 13195), (715, 12586), (754, 11935), (770, 11687), (806, 11165), (899, 10010), (910, 9889), (1001, 8990), (1015, 8866), (1085, 8294), (1430, 6293), (1595, 5642), (1705, 5278), (1798, 5005), (1885, 4774), (2002, 4495), (2015, 4466), (2030, 4433), (2170, 4147), (2233, 4030), (2387, 3770), (2639, 3410), (2821, 3190)]