400220408

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{376147}}^1$

素因数の和:376179

約数の個数: 32

約数和(自身を含む): 902755200

約数和(自身を除く): 502534792

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 376147, 752294, 1504588, 2633029, 3009176, 5266058, 7146793, 10532116, 14293586, 21064232, 28587172, 50027551, 57174344, 100055102, 200110204, 400220408]

約数ペア:

[(1, 400220408), (2, 200110204), (4, 100055102), (7, 57174344), (8, 50027551), (14, 28587172), (19, 21064232), (28, 14293586), (38, 10532116), (56, 7146793), (76, 5266058), (133, 3009176), (152, 2633029), (266, 1504588), (532, 752294), (1064, 376147)]