418884060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{997343}}^1$

素因数の和:997362

約数の個数: 48

約数和(自身を含む): 1340430336

約数和(自身を除く): 921546276

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 997343, 1994686, 2992029, 3989372, 4986715, 5984058, 6981401, 9973430, 11968116, 13962802, 14960145, 19946860, 20944203, 27925604, 29920290, 34907005, 41888406, 59840580, 69814010, 83776812, 104721015, 139628020, 209442030, 418884060]

約数ペア:

[(1, 418884060), (2, 209442030), (3, 139628020), (4, 104721015), (5, 83776812), (6, 69814010), (7, 59840580), (10, 41888406), (12, 34907005), (14, 29920290), (15, 27925604), (20, 20944203), (21, 19946860), (28, 14960145), (30, 13962802), (35, 11968116), (42, 9973430), (60, 6981401), (70, 5984058), (84, 4986715), (105, 3989372), (140, 2992029), (210, 1994686), (420, 997343)]