289898240

素因数分解:

$2^8\times 5^1\times {\mathrm{226483}}^1$

素因数の和:226504

約数の個数: 36

約数和(自身を含む): 694399944

約数和(自身を除く): 404501704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 226483, 452966, 905932, 1132415, 1811864, 2264830, 3623728, 4529660, 7247456, 9059320, 14494912, 18118640, 28989824, 36237280, 57979648, 72474560, 144949120, 289898240]

約数ペア:

[(1, 289898240), (2, 144949120), (4, 72474560), (5, 57979648), (8, 36237280), (10, 28989824), (16, 18118640), (20, 14494912), (32, 9059320), (40, 7247456), (64, 4529660), (80, 3623728), (128, 2264830), (160, 1811864), (256, 1132415), (320, 905932), (640, 452966), (1280, 226483)]