291223940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{122363}}^1$

素因数の和:122396

約数の個数: 48

約数和(自身を含む): 740057472

約数和(自身を除く): 448833532

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 122363, 244726, 489452, 611815, 856541, 1223630, 1713082, 2080171, 2447260, 3426164, 4160342, 4282705, 8320684, 8565410, 10400855, 14561197, 17130820, 20801710, 29122394, 41603420, 58244788, 72805985, 145611970, 291223940]

約数ペア:

[(1, 291223940), (2, 145611970), (4, 72805985), (5, 58244788), (7, 41603420), (10, 29122394), (14, 20801710), (17, 17130820), (20, 14561197), (28, 10400855), (34, 8565410), (35, 8320684), (68, 4282705), (70, 4160342), (85, 3426164), (119, 2447260), (140, 2080171), (170, 1713082), (238, 1223630), (340, 856541), (476, 611815), (595, 489452), (1190, 244726), (2380, 122363)]