27720571010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1\times {\mathrm{7393}}^1$

素因数の和:7883

約数の個数: 64

約数和(自身を含む): 55195914240

約数和(自身を除く): 27475343230

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 383, 445, 766, 890, 979, 1915, 1958, 3830, 4213, 4895, 7393, 8426, 9790, 14786, 21065, 34087, 36965, 42130, 68174, 73930, 81323, 162646, 170435, 340870, 374957, 406615, 657977, 749914, 813230, 1315954, 1874785, 2831519, 3289885, 3749570, 5663038, 6579770, 7237747, 14157595, 14475494, 28315190, 31146709, 36188735, 62293418, 72377470, 155733545, 252005191, 311467090, 504010382, 1260025955, 2520051910, 2772057101, 5544114202, 13860285505, 27720571010]

約数ペア:

[(1, 27720571010), (2, 13860285505), (5, 5544114202), (10, 2772057101), (11, 2520051910), (22, 1260025955), (55, 504010382), (89, 311467090), (110, 252005191), (178, 155733545), (383, 72377470), (445, 62293418), (766, 36188735), (890, 31146709), (979, 28315190), (1915, 14475494), (1958, 14157595), (3830, 7237747), (4213, 6579770), (4895, 5663038), (7393, 3749570), (8426, 3289885), (9790, 2831519), (14786, 1874785), (21065, 1315954), (34087, 813230), (36965, 749914), (42130, 657977), (68174, 406615), (73930, 374957), (81323, 340870), (162646, 170435)]