421486340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{19751}}^1$

素因数の和:19868

約数の個数: 48

約数和(自身を含む): 975590784

約数和(自身を除く): 554104444

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1940, 2134, 4268, 5335, 10670, 19751, 21340, 39502, 79004, 98755, 197510, 217261, 395020, 434522, 869044, 1086305, 1915847, 2172610, 3831694, 4345220, 7663388, 9579235, 19158470, 21074317, 38316940, 42148634, 84297268, 105371585, 210743170, 421486340]

約数ペア:

[(1, 421486340), (2, 210743170), (4, 105371585), (5, 84297268), (10, 42148634), (11, 38316940), (20, 21074317), (22, 19158470), (44, 9579235), (55, 7663388), (97, 4345220), (110, 3831694), (194, 2172610), (220, 1915847), (388, 1086305), (485, 869044), (970, 434522), (1067, 395020), (1940, 217261), (2134, 197510), (4268, 98755), (5335, 79004), (10670, 39502), (19751, 21340)]