889030090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{7607}}^1$

素因数の和:7687

約数の個数: 64

約数和(自身を含む): 1840527360

約数和(自身を除く): 951497270

約数列:

[1, 2, 5, 10, 13, 26, 29, 31, 58, 62, 65, 130, 145, 155, 290, 310, 377, 403, 754, 806, 899, 1798, 1885, 2015, 3770, 4030, 4495, 7607, 8990, 11687, 15214, 23374, 38035, 58435, 76070, 98891, 116870, 197782, 220603, 235817, 441206, 471634, 494455, 988910, 1103015, 1179085, 2206030, 2358170, 2867839, 3065621, 5735678, 6131242, 6838693, 13677386, 14339195, 15328105, 28678390, 30656210, 34193465, 68386930, 88903009, 177806018, 444515045, 889030090]

約数ペア:

[(1, 889030090), (2, 444515045), (5, 177806018), (10, 88903009), (13, 68386930), (26, 34193465), (29, 30656210), (31, 28678390), (58, 15328105), (62, 14339195), (65, 13677386), (130, 6838693), (145, 6131242), (155, 5735678), (290, 3065621), (310, 2867839), (377, 2358170), (403, 2206030), (754, 1179085), (806, 1103015), (899, 988910), (1798, 494455), (1885, 471634), (2015, 441206), (3770, 235817), (4030, 220603), (4495, 197782), (7607, 116870), (8990, 98891), (11687, 76070), (15214, 58435), (23374, 38035)]