407127980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{54869}}^1$

素因数の和:54938

約数の個数: 48

約数和(自身を含む): 995561280

約数和(自身を除く): 588433300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 7420, 54869, 109738, 219476, 274345, 384083, 548690, 768166, 1097380, 1536332, 1920415, 2908057, 3840830, 5816114, 7681660, 11632228, 14540285, 20356399, 29080570, 40712798, 58161140, 81425596, 101781995, 203563990, 407127980]

約数ペア:

[(1, 407127980), (2, 203563990), (4, 101781995), (5, 81425596), (7, 58161140), (10, 40712798), (14, 29080570), (20, 20356399), (28, 14540285), (35, 11632228), (53, 7681660), (70, 5816114), (106, 3840830), (140, 2908057), (212, 1920415), (265, 1536332), (371, 1097380), (530, 768166), (742, 548690), (1060, 384083), (1484, 274345), (1855, 219476), (3710, 109738), (7420, 54869)]