407680

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{13}}^1$

素因数の和:46

約数の個数: 96

約数和(自身を含む): 1220940

約数和(自身を除く): 813260

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 128, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 320, 364, 392, 416, 448, 455, 490, 520, 560, 637, 640, 728, 784, 832, 896, 910, 980, 1040, 1120, 1274, 1456, 1568, 1664, 1820, 1960, 2080, 2240, 2548, 2912, 3136, 3185, 3640, 3920, 4160, 4480, 5096, 5824, 6272, 6370, 7280, 7840, 8320, 10192, 11648, 12740, 14560, 15680, 20384, 25480, 29120, 31360, 40768, 50960, 58240, 81536, 101920, 203840, 407680]

約数ペア:

[(1, 407680), (2, 203840), (4, 101920), (5, 81536), (7, 58240), (8, 50960), (10, 40768), (13, 31360), (14, 29120), (16, 25480), (20, 20384), (26, 15680), (28, 14560), (32, 12740), (35, 11648), (40, 10192), (49, 8320), (52, 7840), (56, 7280), (64, 6370), (65, 6272), (70, 5824), (80, 5096), (91, 4480), (98, 4160), (104, 3920), (112, 3640), (128, 3185), (130, 3136), (140, 2912), (160, 2548), (182, 2240), (196, 2080), (208, 1960), (224, 1820), (245, 1664), (260, 1568), (280, 1456), (320, 1274), (364, 1120), (392, 1040), (416, 980), (448, 910), (455, 896), (490, 832), (520, 784), (560, 728), (637, 640)]