409426280

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1\times {\mathrm{673}}^1$

素因数の和:978

約数の個数: 64

約数和(自身を含む): 940472640

約数和(自身を除く): 531046360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 227, 268, 335, 454, 536, 670, 673, 908, 1135, 1340, 1346, 1816, 2270, 2680, 2692, 3365, 4540, 5384, 6730, 9080, 13460, 15209, 26920, 30418, 45091, 60836, 76045, 90182, 121672, 152090, 152771, 180364, 225455, 304180, 305542, 360728, 450910, 608360, 611084, 763855, 901820, 1222168, 1527710, 1803640, 3055420, 6110840, 10235657, 20471314, 40942628, 51178285, 81885256, 102356570, 204713140, 409426280]

約数ペア:

[(1, 409426280), (2, 204713140), (4, 102356570), (5, 81885256), (8, 51178285), (10, 40942628), (20, 20471314), (40, 10235657), (67, 6110840), (134, 3055420), (227, 1803640), (268, 1527710), (335, 1222168), (454, 901820), (536, 763855), (670, 611084), (673, 608360), (908, 450910), (1135, 360728), (1340, 305542), (1346, 304180), (1816, 225455), (2270, 180364), (2680, 152771), (2692, 152090), (3365, 121672), (4540, 90182), (5384, 76045), (6730, 60836), (9080, 45091), (13460, 30418), (15209, 26920)]