201324400

素因数分解:

$2^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:339

約数の個数: 120

約数和(自身を含む): 507161984

約数和(自身を除く): 305837584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 61, 74, 80, 100, 122, 148, 185, 200, 223, 244, 296, 305, 370, 400, 446, 488, 592, 610, 740, 892, 925, 976, 1115, 1220, 1480, 1525, 1784, 1850, 2230, 2257, 2440, 2960, 3050, 3568, 3700, 4460, 4514, 4880, 5575, 6100, 7400, 8251, 8920, 9028, 11150, 11285, 12200, 13603, 14800, 16502, 17840, 18056, 22300, 22570, 24400, 27206, 33004, 36112, 41255, 44600, 45140, 54412, 56425, 66008, 68015, 82510, 89200, 90280, 108824, 112850, 132016, 136030, 165020, 180560, 206275, 217648, 225700, 272060, 330040, 340075, 412550, 451400, 503311, 544120, 660080, 680150, 825100, 902800, 1006622, 1088240, 1360300, 1650200, 2013244, 2516555, 2720600, 3300400, 4026488, 5033110, 5441200, 8052976, 10066220, 12582775, 20132440, 25165550, 40264880, 50331100, 100662200, 201324400]

約数ペア:

[(1, 201324400), (2, 100662200), (4, 50331100), (5, 40264880), (8, 25165550), (10, 20132440), (16, 12582775), (20, 10066220), (25, 8052976), (37, 5441200), (40, 5033110), (50, 4026488), (61, 3300400), (74, 2720600), (80, 2516555), (100, 2013244), (122, 1650200), (148, 1360300), (185, 1088240), (200, 1006622), (223, 902800), (244, 825100), (296, 680150), (305, 660080), (370, 544120), (400, 503311), (446, 451400), (488, 412550), (592, 340075), (610, 330040), (740, 272060), (892, 225700), (925, 217648), (976, 206275), (1115, 180560), (1220, 165020), (1480, 136030), (1525, 132016), (1784, 112850), (1850, 108824), (2230, 90280), (2257, 89200), (2440, 82510), (2960, 68015), (3050, 66008), (3568, 56425), (3700, 54412), (4460, 45140), (4514, 44600), (4880, 41255), (5575, 36112), (6100, 33004), (7400, 27206), (8251, 24400), (8920, 22570), (9028, 22300), (11150, 18056), (11285, 17840), (12200, 16502), (13603, 14800)]