66555290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 133747200

約数和(自身を除く): 67191910

約数列:

[1, 2, 5, 10, 19, 29, 38, 47, 58, 94, 95, 145, 190, 235, 257, 290, 470, 514, 551, 893, 1102, 1285, 1363, 1786, 2570, 2726, 2755, 4465, 4883, 5510, 6815, 7453, 8930, 9766, 12079, 13630, 14906, 24158, 24415, 25897, 37265, 48830, 51794, 60395, 74530, 120790, 129485, 141607, 229501, 258970, 283214, 350291, 459002, 700582, 708035, 1147505, 1416070, 1751455, 2295010, 3502910, 6655529, 13311058, 33277645, 66555290]

約数ペア:

[(1, 66555290), (2, 33277645), (5, 13311058), (10, 6655529), (19, 3502910), (29, 2295010), (38, 1751455), (47, 1416070), (58, 1147505), (94, 708035), (95, 700582), (145, 459002), (190, 350291), (235, 283214), (257, 258970), (290, 229501), (470, 141607), (514, 129485), (551, 120790), (893, 74530), (1102, 60395), (1285, 51794), (1363, 48830), (1786, 37265), (2570, 25897), (2726, 24415), (2755, 24158), (4465, 14906), (4883, 13630), (5510, 12079), (6815, 9766), (7453, 8930)]