297867940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 694552320

約数和(自身を除く): 396684380

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 173, 190, 197, 230, 346, 380, 394, 437, 460, 692, 788, 865, 874, 985, 1730, 1748, 1970, 2185, 3287, 3460, 3743, 3940, 3979, 4370, 4531, 6574, 7486, 7958, 8740, 9062, 13148, 14972, 15916, 16435, 18124, 18715, 19895, 22655, 32870, 34081, 37430, 39790, 45310, 65740, 68162, 74860, 75601, 79580, 86089, 90620, 136324, 151202, 170405, 172178, 302404, 340810, 344356, 378005, 430445, 647539, 681620, 756010, 783863, 860890, 1295078, 1512020, 1567726, 1721780, 2590156, 3135452, 3237695, 3919315, 6475390, 7838630, 12950780, 14893397, 15677260, 29786794, 59573588, 74466985, 148933970, 297867940]

約数ペア:

[(1, 297867940), (2, 148933970), (4, 74466985), (5, 59573588), (10, 29786794), (19, 15677260), (20, 14893397), (23, 12950780), (38, 7838630), (46, 6475390), (76, 3919315), (92, 3237695), (95, 3135452), (115, 2590156), (173, 1721780), (190, 1567726), (197, 1512020), (230, 1295078), (346, 860890), (380, 783863), (394, 756010), (437, 681620), (460, 647539), (692, 430445), (788, 378005), (865, 344356), (874, 340810), (985, 302404), (1730, 172178), (1748, 170405), (1970, 151202), (2185, 136324), (3287, 90620), (3460, 86089), (3743, 79580), (3940, 75601), (3979, 74860), (4370, 68162), (4531, 65740), (6574, 45310), (7486, 39790), (7958, 37430), (8740, 34081), (9062, 32870), (13148, 22655), (14972, 19895), (15916, 18715), (16435, 18124)]