2019959340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{687061}}^1$

素因数の和:687087

約数の個数: 72

約数和(自身を含む): 6579305712

約数和(自身を除く): 4559346372

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, 687061, 1374122, 2061183, 2748244, 3435305, 4122366, 4809427, 6870610, 8244732, 9618854, 10305915, 13741220, 14428281, 19237708, 20611830, 24047135, 28856562, 33665989, 41223660, 48094270, 57713124, 67331978, 72141405, 96188540, 100997967, 134663956, 144282810, 168329945, 201995934, 288565620, 336659890, 403991868, 504989835, 673319780, 1009979670, 2019959340]

約数ペア:

[(1, 2019959340), (2, 1009979670), (3, 673319780), (4, 504989835), (5, 403991868), (6, 336659890), (7, 288565620), (10, 201995934), (12, 168329945), (14, 144282810), (15, 134663956), (20, 100997967), (21, 96188540), (28, 72141405), (30, 67331978), (35, 57713124), (42, 48094270), (49, 41223660), (60, 33665989), (70, 28856562), (84, 24047135), (98, 20611830), (105, 19237708), (140, 14428281), (147, 13741220), (196, 10305915), (210, 9618854), (245, 8244732), (294, 6870610), (420, 4809427), (490, 4122366), (588, 3435305), (735, 2748244), (980, 2061183), (1470, 1374122), (2940, 687061)]