83839980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{28517}}^1$

素因数の和:28543

約数の個数: 72

約数和(自身を含む): 273088368

約数和(自身を除く): 189248388

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, 28517, 57034, 85551, 114068, 142585, 171102, 199619, 285170, 342204, 399238, 427755, 570340, 598857, 798476, 855510, 998095, 1197714, 1397333, 1711020, 1996190, 2395428, 2794666, 2994285, 3992380, 4191999, 5589332, 5988570, 6986665, 8383998, 11977140, 13973330, 16767996, 20959995, 27946660, 41919990, 83839980]

約数ペア:

[(1, 83839980), (2, 41919990), (3, 27946660), (4, 20959995), (5, 16767996), (6, 13973330), (7, 11977140), (10, 8383998), (12, 6986665), (14, 5988570), (15, 5589332), (20, 4191999), (21, 3992380), (28, 2994285), (30, 2794666), (35, 2395428), (42, 1996190), (49, 1711020), (60, 1397333), (70, 1197714), (84, 998095), (98, 855510), (105, 798476), (140, 598857), (147, 570340), (196, 427755), (210, 399238), (245, 342204), (294, 285170), (420, 199619), (490, 171102), (588, 142585), (735, 114068), (980, 85551), (1470, 57034), (2940, 28517)]