9720914900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{165041}}^1$

素因数の和:165105

約数の個数: 72

約数和(自身を含む): 22921032960

約数和(自身を除く): 13200118060

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 95, 100, 124, 155, 190, 310, 380, 475, 589, 620, 775, 950, 1178, 1550, 1900, 2356, 2945, 3100, 5890, 11780, 14725, 29450, 58900, 165041, 330082, 660164, 825205, 1650410, 3135779, 3300820, 4126025, 5116271, 6271558, 8252050, 10232542, 12543116, 15678895, 16504100, 20465084, 25581355, 31357790, 51162710, 62715580, 78394475, 97209149, 102325420, 127906775, 156788950, 194418298, 255813550, 313577900, 388836596, 486045745, 511627100, 972091490, 1944182980, 2430228725, 4860457450, 9720914900]

約数ペア:

[(1, 9720914900), (2, 4860457450), (4, 2430228725), (5, 1944182980), (10, 972091490), (19, 511627100), (20, 486045745), (25, 388836596), (31, 313577900), (38, 255813550), (50, 194418298), (62, 156788950), (76, 127906775), (95, 102325420), (100, 97209149), (124, 78394475), (155, 62715580), (190, 51162710), (310, 31357790), (380, 25581355), (475, 20465084), (589, 16504100), (620, 15678895), (775, 12543116), (950, 10232542), (1178, 8252050), (1550, 6271558), (1900, 5116271), (2356, 4126025), (2945, 3300820), (3100, 3135779), (5890, 1650410), (11780, 825205), (14725, 660164), (29450, 330082), (58900, 165041)]