201886100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1601}}^1$

素因数の和:1725

約数の個数: 72

約数和(自身を含む): 476953848

約数和(自身を除く): 275067748

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 97, 100, 130, 194, 260, 325, 388, 485, 650, 970, 1261, 1300, 1601, 1940, 2425, 2522, 3202, 4850, 5044, 6305, 6404, 8005, 9700, 12610, 16010, 20813, 25220, 31525, 32020, 40025, 41626, 63050, 80050, 83252, 104065, 126100, 155297, 160100, 208130, 310594, 416260, 520325, 621188, 776485, 1040650, 1552970, 2018861, 2081300, 3105940, 3882425, 4037722, 7764850, 8075444, 10094305, 15529700, 20188610, 40377220, 50471525, 100943050, 201886100]

約数ペア:

[(1, 201886100), (2, 100943050), (4, 50471525), (5, 40377220), (10, 20188610), (13, 15529700), (20, 10094305), (25, 8075444), (26, 7764850), (50, 4037722), (52, 3882425), (65, 3105940), (97, 2081300), (100, 2018861), (130, 1552970), (194, 1040650), (260, 776485), (325, 621188), (388, 520325), (485, 416260), (650, 310594), (970, 208130), (1261, 160100), (1300, 155297), (1601, 126100), (1940, 104065), (2425, 83252), (2522, 80050), (3202, 63050), (4850, 41626), (5044, 40025), (6305, 32020), (6404, 31525), (8005, 25220), (9700, 20813), (12610, 16010)]