240381520

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{30977}}^1$

素因数の和:31087

約数の個数: 40

約数和(自身を含む): 564666984

約数和(自身を除く): 324285464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 30977, 61954, 123908, 154885, 247816, 309770, 495632, 619540, 1239080, 2478160, 3004769, 6009538, 12019076, 15023845, 24038152, 30047690, 48076304, 60095380, 120190760, 240381520]

約数ペア:

[(1, 240381520), (2, 120190760), (4, 60095380), (5, 48076304), (8, 30047690), (10, 24038152), (16, 15023845), (20, 12019076), (40, 6009538), (80, 3004769), (97, 2478160), (194, 1239080), (388, 619540), (485, 495632), (776, 309770), (970, 247816), (1552, 154885), (1940, 123908), (3880, 61954), (7760, 30977)]