89198780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:132

約数の個数: 144

約数和(自身を含む): 225227520

約数和(自身を除く): 136028740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 31, 41, 44, 55, 58, 62, 82, 110, 116, 121, 124, 145, 155, 164, 205, 220, 242, 290, 310, 319, 341, 410, 451, 484, 580, 605, 620, 638, 682, 820, 899, 902, 1189, 1210, 1271, 1276, 1364, 1595, 1705, 1798, 1804, 2255, 2378, 2420, 2542, 3190, 3410, 3509, 3596, 3751, 4495, 4510, 4756, 4961, 5084, 5945, 6355, 6380, 6820, 7018, 7502, 8990, 9020, 9889, 9922, 11890, 12710, 13079, 13981, 14036, 15004, 17545, 17980, 18755, 19778, 19844, 23780, 24805, 25420, 26158, 27962, 35090, 36859, 37510, 39556, 49445, 49610, 52316, 55924, 65395, 69905, 70180, 73718, 75020, 98890, 99220, 108779, 130790, 139810, 143869, 147436, 153791, 184295, 197780, 217558, 261580, 279620, 287738, 307582, 368590, 405449, 435116, 543895, 575476, 615164, 719345, 737180, 768955, 810898, 1087790, 1438690, 1537910, 1621796, 2027245, 2175580, 2877380, 3075820, 4054490, 4459939, 8108980, 8919878, 17839756, 22299695, 44599390, 89198780]

約数ペア:

[(1, 89198780), (2, 44599390), (4, 22299695), (5, 17839756), (10, 8919878), (11, 8108980), (20, 4459939), (22, 4054490), (29, 3075820), (31, 2877380), (41, 2175580), (44, 2027245), (55, 1621796), (58, 1537910), (62, 1438690), (82, 1087790), (110, 810898), (116, 768955), (121, 737180), (124, 719345), (145, 615164), (155, 575476), (164, 543895), (205, 435116), (220, 405449), (242, 368590), (290, 307582), (310, 287738), (319, 279620), (341, 261580), (410, 217558), (451, 197780), (484, 184295), (580, 153791), (605, 147436), (620, 143869), (638, 139810), (682, 130790), (820, 108779), (899, 99220), (902, 98890), (1189, 75020), (1210, 73718), (1271, 70180), (1276, 69905), (1364, 65395), (1595, 55924), (1705, 52316), (1798, 49610), (1804, 49445), (2255, 39556), (2378, 37510), (2420, 36859), (2542, 35090), (3190, 27962), (3410, 26158), (3509, 25420), (3596, 24805), (3751, 23780), (4495, 19844), (4510, 19778), (4756, 18755), (4961, 17980), (5084, 17545), (5945, 15004), (6355, 14036), (6380, 13981), (6820, 13079), (7018, 12710), (7502, 11890), (8990, 9922), (9020, 9889)]