402142720

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{22441}}^1$

素因数の和:22471

約数の個数: 80

約数和(自身を含む): 1101991968

約数和(自身を除く): 699849248

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, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 8960, 17920, 22441, 44882, 89764, 112205, 157087, 179528, 224410, 314174, 359056, 448820, 628348, 718112, 785435, 897640, 1256696, 1436224, 1570870, 1795280, 2513392, 2872448, 3141740, 3590560, 5026784, 5744896, 6283480, 7181120, 10053568, 11489792, 12566960, 14362240, 20107136, 25133920, 28724480, 40214272, 50267840, 57448960, 80428544, 100535680, 201071360, 402142720]

約数ペア:

[(1, 402142720), (2, 201071360), (4, 100535680), (5, 80428544), (7, 57448960), (8, 50267840), (10, 40214272), (14, 28724480), (16, 25133920), (20, 20107136), (28, 14362240), (32, 12566960), (35, 11489792), (40, 10053568), (56, 7181120), (64, 6283480), (70, 5744896), (80, 5026784), (112, 3590560), (128, 3141740), (140, 2872448), (160, 2513392), (224, 1795280), (256, 1570870), (280, 1436224), (320, 1256696), (448, 897640), (512, 785435), (560, 718112), (640, 628348), (896, 448820), (1120, 359056), (1280, 314174), (1792, 224410), (2240, 179528), (2560, 157087), (3584, 112205), (4480, 89764), (8960, 44882), (17920, 22441)]