30211240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 70794000

約数和(自身を除く): 40582760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 137, 148, 149, 185, 274, 296, 298, 370, 548, 596, 685, 740, 745, 1096, 1192, 1370, 1480, 1490, 2740, 2980, 5069, 5480, 5513, 5960, 10138, 11026, 20276, 20413, 22052, 25345, 27565, 40552, 40826, 44104, 50690, 55130, 81652, 101380, 102065, 110260, 163304, 202760, 204130, 220520, 408260, 755281, 816520, 1510562, 3021124, 3776405, 6042248, 7552810, 15105620, 30211240]

約数ペア:

[(1, 30211240), (2, 15105620), (4, 7552810), (5, 6042248), (8, 3776405), (10, 3021124), (20, 1510562), (37, 816520), (40, 755281), (74, 408260), (137, 220520), (148, 204130), (149, 202760), (185, 163304), (274, 110260), (296, 102065), (298, 101380), (370, 81652), (548, 55130), (596, 50690), (685, 44104), (740, 40826), (745, 40552), (1096, 27565), (1192, 25345), (1370, 22052), (1480, 20413), (1490, 20276), (2740, 11026), (2980, 10138), (5069, 5960), (5480, 5513)]