138077560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1873}}^1$

素因数の和:2000

約数の個数: 64

約数和(自身を含む): 330573600

約数和(自身を除く): 192496040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 97, 152, 190, 194, 380, 388, 485, 760, 776, 970, 1843, 1873, 1940, 3686, 3746, 3880, 7372, 7492, 9215, 9365, 14744, 14984, 18430, 18730, 35587, 36860, 37460, 71174, 73720, 74920, 142348, 177935, 181681, 284696, 355870, 363362, 711740, 726724, 908405, 1423480, 1453448, 1816810, 3451939, 3633620, 6903878, 7267240, 13807756, 17259695, 27615512, 34519390, 69038780, 138077560]

約数ペア:

[(1, 138077560), (2, 69038780), (4, 34519390), (5, 27615512), (8, 17259695), (10, 13807756), (19, 7267240), (20, 6903878), (38, 3633620), (40, 3451939), (76, 1816810), (95, 1453448), (97, 1423480), (152, 908405), (190, 726724), (194, 711740), (380, 363362), (388, 355870), (485, 284696), (760, 181681), (776, 177935), (970, 142348), (1843, 74920), (1873, 73720), (1940, 71174), (3686, 37460), (3746, 36860), (3880, 35587), (7372, 18730), (7492, 18430), (9215, 14984), (9365, 14744)]