829047660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{281989}}^1$

素因数の和:282015

約数の個数: 72

約数和(自身を含む): 2700336240

約数和(自身を除く): 1871288580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 281989, 563978, 845967, 1127956, 1409945, 1691934, 1973923, 2819890, 3383868, 3947846, 4229835, 5639780, 5921769, 7895692, 8459670, 9869615, 11843538, 13817461, 16919340, 19739230, 23687076, 27634922, 29608845, 39478460, 41452383, 55269844, 59217690, 69087305, 82904766, 118435380, 138174610, 165809532, 207261915, 276349220, 414523830, 829047660]

約数ペア:

[(1, 829047660), (2, 414523830), (3, 276349220), (4, 207261915), (5, 165809532), (6, 138174610), (7, 118435380), (10, 82904766), (12, 69087305), (14, 59217690), (15, 55269844), (20, 41452383), (21, 39478460), (28, 29608845), (30, 27634922), (35, 23687076), (42, 19739230), (49, 16919340), (60, 13817461), (70, 11843538), (84, 9869615), (98, 8459670), (105, 7895692), (140, 5921769), (147, 5639780), (196, 4229835), (210, 3947846), (245, 3383868), (294, 2819890), (420, 1973923), (490, 1691934), (588, 1409945), (735, 1127956), (980, 845967), (1470, 563978), (2940, 281989)]