89719980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{30517}}^1$

素因数の和:30543

約数の個数: 72

約数和(自身を含む): 292240368

約数和(自身を除く): 202520388

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, 30517, 61034, 91551, 122068, 152585, 183102, 213619, 305170, 366204, 427238, 457755, 610340, 640857, 854476, 915510, 1068095, 1281714, 1495333, 1831020, 2136190, 2563428, 2990666, 3204285, 4272380, 4485999, 5981332, 6408570, 7476665, 8971998, 12817140, 14953330, 17943996, 22429995, 29906660, 44859990, 89719980]

約数ペア:

[(1, 89719980), (2, 44859990), (3, 29906660), (4, 22429995), (5, 17943996), (6, 14953330), (7, 12817140), (10, 8971998), (12, 7476665), (14, 6408570), (15, 5981332), (20, 4485999), (21, 4272380), (28, 3204285), (30, 2990666), (35, 2563428), (42, 2136190), (49, 1831020), (60, 1495333), (70, 1281714), (84, 1068095), (98, 915510), (105, 854476), (140, 640857), (147, 610340), (196, 457755), (210, 427238), (245, 366204), (294, 305170), (420, 213619), (490, 183102), (588, 152585), (735, 122068), (980, 91551), (1470, 61034), (2940, 30517)]