189511980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{4217}}^1$

素因数の和:4343

約数の個数: 96

約数和(自身を含む): 612251136

約数和(自身を除く): 422739156

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 107, 140, 210, 214, 321, 420, 428, 535, 642, 749, 1070, 1284, 1498, 1605, 2140, 2247, 2996, 3210, 3745, 4217, 4494, 6420, 7490, 8434, 8988, 11235, 12651, 14980, 16868, 21085, 22470, 25302, 29519, 42170, 44940, 50604, 59038, 63255, 84340, 88557, 118076, 126510, 147595, 177114, 253020, 295190, 354228, 442785, 451219, 590380, 885570, 902438, 1353657, 1771140, 1804876, 2256095, 2707314, 3158533, 4512190, 5414628, 6317066, 6768285, 9024380, 9475599, 12634132, 13536570, 15792665, 18951198, 27073140, 31585330, 37902396, 47377995, 63170660, 94755990, 189511980]

約数ペア:

[(1, 189511980), (2, 94755990), (3, 63170660), (4, 47377995), (5, 37902396), (6, 31585330), (7, 27073140), (10, 18951198), (12, 15792665), (14, 13536570), (15, 12634132), (20, 9475599), (21, 9024380), (28, 6768285), (30, 6317066), (35, 5414628), (42, 4512190), (60, 3158533), (70, 2707314), (84, 2256095), (105, 1804876), (107, 1771140), (140, 1353657), (210, 902438), (214, 885570), (321, 590380), (420, 451219), (428, 442785), (535, 354228), (642, 295190), (749, 253020), (1070, 177114), (1284, 147595), (1498, 126510), (1605, 118076), (2140, 88557), (2247, 84340), (2996, 63255), (3210, 59038), (3745, 50604), (4217, 44940), (4494, 42170), (6420, 29519), (7490, 25302), (8434, 22470), (8988, 21085), (11235, 16868), (12651, 14980)]