1898265710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{2801}}^1$

素因数の和:2981

約数の個数: 64

約数和(自身を含む): 3827487168

約数和(自身を除く): 1929221458

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 101, 110, 122, 202, 305, 505, 610, 671, 1010, 1111, 1342, 2222, 2801, 3355, 5555, 5602, 6161, 6710, 11110, 12322, 14005, 28010, 30805, 30811, 61610, 61622, 67771, 135542, 154055, 170861, 282901, 308110, 338855, 341722, 565802, 677710, 854305, 1414505, 1708610, 1879471, 2829010, 3111911, 3758942, 6223822, 9397355, 15559555, 17256961, 18794710, 31119110, 34513922, 86284805, 172569610, 189826571, 379653142, 949132855, 1898265710]

約数ペア:

[(1, 1898265710), (2, 949132855), (5, 379653142), (10, 189826571), (11, 172569610), (22, 86284805), (55, 34513922), (61, 31119110), (101, 18794710), (110, 17256961), (122, 15559555), (202, 9397355), (305, 6223822), (505, 3758942), (610, 3111911), (671, 2829010), (1010, 1879471), (1111, 1708610), (1342, 1414505), (2222, 854305), (2801, 677710), (3355, 565802), (5555, 341722), (5602, 338855), (6161, 308110), (6710, 282901), (11110, 170861), (12322, 154055), (14005, 135542), (28010, 67771), (30805, 61622), (30811, 61610)]