407204420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{126461}}^1$

素因数の和:126500

約数の個数: 48

約数和(自身を含む): 1019789568

約数和(自身を除く): 612585148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 126461, 252922, 505844, 632305, 885227, 1264610, 1770454, 2529220, 2908603, 3540908, 4426135, 5817206, 8852270, 11634412, 14543015, 17704540, 20360221, 29086030, 40720442, 58172060, 81440884, 101801105, 203602210, 407204420]

約数ペア:

[(1, 407204420), (2, 203602210), (4, 101801105), (5, 81440884), (7, 58172060), (10, 40720442), (14, 29086030), (20, 20360221), (23, 17704540), (28, 14543015), (35, 11634412), (46, 8852270), (70, 5817206), (92, 4426135), (115, 3540908), (140, 2908603), (161, 2529220), (230, 1770454), (322, 1264610), (460, 885227), (644, 632305), (805, 505844), (1610, 252922), (3220, 126461)]