86781740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 202245120

約数和(自身を除く): 115463380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 47, 76, 86, 94, 95, 113, 172, 188, 190, 215, 226, 235, 380, 430, 452, 470, 565, 817, 860, 893, 940, 1130, 1634, 1786, 2021, 2147, 2260, 3268, 3572, 4042, 4085, 4294, 4465, 4859, 5311, 8084, 8170, 8588, 8930, 9718, 10105, 10622, 10735, 16340, 17860, 19436, 20210, 21244, 21470, 24295, 26555, 38399, 40420, 42940, 48590, 53110, 76798, 92321, 97180, 100909, 106220, 153596, 184642, 191995, 201818, 228373, 369284, 383990, 403636, 456746, 461605, 504545, 767980, 913492, 923210, 1009090, 1141865, 1846420, 2018180, 2283730, 4339087, 4567460, 8678174, 17356348, 21695435, 43390870, 86781740]

約数ペア:

[(1, 86781740), (2, 43390870), (4, 21695435), (5, 17356348), (10, 8678174), (19, 4567460), (20, 4339087), (38, 2283730), (43, 2018180), (47, 1846420), (76, 1141865), (86, 1009090), (94, 923210), (95, 913492), (113, 767980), (172, 504545), (188, 461605), (190, 456746), (215, 403636), (226, 383990), (235, 369284), (380, 228373), (430, 201818), (452, 191995), (470, 184642), (565, 153596), (817, 106220), (860, 100909), (893, 97180), (940, 92321), (1130, 76798), (1634, 53110), (1786, 48590), (2021, 42940), (2147, 40420), (2260, 38399), (3268, 26555), (3572, 24295), (4042, 21470), (4085, 21244), (4294, 20210), (4465, 19436), (4859, 17860), (5311, 16340), (8084, 10735), (8170, 10622), (8588, 10105), (8930, 9718)]