198215676940

素因数分解:

$2^2\times 5^1\times {\mathrm{2221}}^1\times {\mathrm{4462307}}^1$

素因数の和:4464537

約数の個数: 24

約数和(自身を含む): 416440431792

約数和(自身を除く): 218224754852

約数列:

[1, 2, 4, 5, 10, 20, 2221, 4442, 8884, 11105, 22210, 44420, 4462307, 8924614, 17849228, 22311535, 44623070, 89246140, 9910783847, 19821567694, 39643135388, 49553919235, 99107838470, 198215676940]

約数ペア:

[(1, 198215676940), (2, 99107838470), (4, 49553919235), (5, 39643135388), (10, 19821567694), (20, 9910783847), (2221, 89246140), (4442, 44623070), (8884, 22311535), (11105, 17849228), (22210, 8924614), (44420, 4462307)]