209979952

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4973}}^1$

素因数の和:5030

約数の個数: 80

約数和(自身を含む): 518091840

約数和(自身を除く): 308111888

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 29, 52, 56, 58, 91, 104, 112, 116, 182, 203, 208, 232, 364, 377, 406, 464, 728, 754, 812, 1456, 1508, 1624, 2639, 3016, 3248, 4973, 5278, 6032, 9946, 10556, 19892, 21112, 34811, 39784, 42224, 64649, 69622, 79568, 129298, 139244, 144217, 258596, 278488, 288434, 452543, 517192, 556976, 576868, 905086, 1009519, 1034384, 1153736, 1810172, 1874821, 2019038, 2307472, 3620344, 3749642, 4038076, 7240688, 7499284, 8076152, 13123747, 14998568, 16152304, 26247494, 29997136, 52494988, 104989976, 209979952]

約数ペア:

[(1, 209979952), (2, 104989976), (4, 52494988), (7, 29997136), (8, 26247494), (13, 16152304), (14, 14998568), (16, 13123747), (26, 8076152), (28, 7499284), (29, 7240688), (52, 4038076), (56, 3749642), (58, 3620344), (91, 2307472), (104, 2019038), (112, 1874821), (116, 1810172), (182, 1153736), (203, 1034384), (208, 1009519), (232, 905086), (364, 576868), (377, 556976), (406, 517192), (464, 452543), (728, 288434), (754, 278488), (812, 258596), (1456, 144217), (1508, 139244), (1624, 129298), (2639, 79568), (3016, 69622), (3248, 64649), (4973, 42224), (5278, 39784), (6032, 34811), (9946, 21112), (10556, 19892)]