551091320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{28643}}^1$

素因数の和:28704

約数の個数: 64

約数和(自身を含む): 1371474720

約数和(自身を除く): 820383400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 3848, 4810, 9620, 19240, 28643, 57286, 114572, 143215, 229144, 286430, 372359, 572860, 744718, 1059791, 1145720, 1489436, 1861795, 2119582, 2978872, 3723590, 4239164, 5298955, 7447180, 8478328, 10597910, 13777283, 14894360, 21195820, 27554566, 42391640, 55109132, 68886415, 110218264, 137772830, 275545660, 551091320]

約数ペア:

[(1, 551091320), (2, 275545660), (4, 137772830), (5, 110218264), (8, 68886415), (10, 55109132), (13, 42391640), (20, 27554566), (26, 21195820), (37, 14894360), (40, 13777283), (52, 10597910), (65, 8478328), (74, 7447180), (104, 5298955), (130, 4239164), (148, 3723590), (185, 2978872), (260, 2119582), (296, 1861795), (370, 1489436), (481, 1145720), (520, 1059791), (740, 744718), (962, 572860), (1480, 372359), (1924, 286430), (2405, 229144), (3848, 143215), (4810, 114572), (9620, 57286), (19240, 28643)]