201789499700

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{240197}}^1$

素因数の和:240513

約数の個数: 72

約数和(自身を含む): 453678296064

約数和(自身を除く): 251888796364

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 271, 310, 542, 620, 775, 1084, 1355, 1550, 2710, 3100, 5420, 6775, 8401, 13550, 16802, 27100, 33604, 42005, 84010, 168020, 210025, 240197, 420050, 480394, 840100, 960788, 1200985, 2401970, 4803940, 6004925, 7446107, 12009850, 14892214, 24019700, 29784428, 37230535, 65093387, 74461070, 130186774, 148922140, 186152675, 260373548, 325466935, 372305350, 650933870, 744610700, 1301867740, 1627334675, 2017894997, 3254669350, 4035789994, 6509338700, 8071579988, 10089474985, 20178949970, 40357899940, 50447374925, 100894749850, 201789499700]

約数ペア:

[(1, 201789499700), (2, 100894749850), (4, 50447374925), (5, 40357899940), (10, 20178949970), (20, 10089474985), (25, 8071579988), (31, 6509338700), (50, 4035789994), (62, 3254669350), (100, 2017894997), (124, 1627334675), (155, 1301867740), (271, 744610700), (310, 650933870), (542, 372305350), (620, 325466935), (775, 260373548), (1084, 186152675), (1355, 148922140), (1550, 130186774), (2710, 74461070), (3100, 65093387), (5420, 37230535), (6775, 29784428), (8401, 24019700), (13550, 14892214), (16802, 12009850), (27100, 7446107), (33604, 6004925), (42005, 4803940), (84010, 2401970), (168020, 1200985), (210025, 960788), (240197, 840100), (420050, 480394)]