201017872

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1279}}^1$

素因数の和:1364

約数の個数: 80

約数和(自身を含む): 457113600

約数和(自身を除く): 256095728

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 47, 76, 88, 94, 152, 176, 188, 209, 304, 376, 418, 517, 752, 836, 893, 1034, 1279, 1672, 1786, 2068, 2558, 3344, 3572, 4136, 5116, 7144, 8272, 9823, 10232, 14069, 14288, 19646, 20464, 24301, 28138, 39292, 48602, 56276, 60113, 78584, 97204, 112552, 120226, 157168, 194408, 225104, 240452, 267311, 388816, 480904, 534622, 661243, 961808, 1069244, 1142147, 1322486, 2138488, 2284294, 2644972, 4276976, 4568588, 5289944, 9137176, 10579888, 12563617, 18274352, 25127234, 50254468, 100508936, 201017872]

約数ペア:

[(1, 201017872), (2, 100508936), (4, 50254468), (8, 25127234), (11, 18274352), (16, 12563617), (19, 10579888), (22, 9137176), (38, 5289944), (44, 4568588), (47, 4276976), (76, 2644972), (88, 2284294), (94, 2138488), (152, 1322486), (176, 1142147), (188, 1069244), (209, 961808), (304, 661243), (376, 534622), (418, 480904), (517, 388816), (752, 267311), (836, 240452), (893, 225104), (1034, 194408), (1279, 157168), (1672, 120226), (1786, 112552), (2068, 97204), (2558, 78584), (3344, 60113), (3572, 56276), (4136, 48602), (5116, 39292), (7144, 28138), (8272, 24301), (9823, 20464), (10232, 19646), (14069, 14288)]