212145920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{23677}}^1$

素因数の和:23705

約数の個数: 72

約数和(自身を含む): 580773984

約数和(自身を除く): 368628064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 23677, 47354, 94708, 118385, 165739, 189416, 236770, 331478, 378832, 473540, 662956, 757664, 828695, 947080, 1325912, 1515328, 1657390, 1894160, 2651824, 3030656, 3314780, 3788320, 5303648, 6061312, 6629560, 7576640, 10607296, 13259120, 15153280, 21214592, 26518240, 30306560, 42429184, 53036480, 106072960, 212145920]

約数ペア:

[(1, 212145920), (2, 106072960), (4, 53036480), (5, 42429184), (7, 30306560), (8, 26518240), (10, 21214592), (14, 15153280), (16, 13259120), (20, 10607296), (28, 7576640), (32, 6629560), (35, 6061312), (40, 5303648), (56, 3788320), (64, 3314780), (70, 3030656), (80, 2651824), (112, 1894160), (128, 1657390), (140, 1515328), (160, 1325912), (224, 947080), (256, 828695), (280, 757664), (320, 662956), (448, 473540), (560, 378832), (640, 331478), (896, 236770), (1120, 189416), (1280, 165739), (1792, 118385), (2240, 94708), (4480, 47354), (8960, 23677)]