204589120

素因数分解:

$2^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:348

約数の個数: 112

約数和(自身を含む): 507967488

約数和(自身を除く): 303378368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 61, 64, 80, 94, 122, 160, 188, 223, 235, 244, 305, 320, 376, 446, 470, 488, 610, 752, 892, 940, 976, 1115, 1220, 1504, 1784, 1880, 1952, 2230, 2440, 2867, 3008, 3568, 3760, 3904, 4460, 4880, 5734, 7136, 7520, 8920, 9760, 10481, 11468, 13603, 14272, 14335, 15040, 17840, 19520, 20962, 22936, 27206, 28670, 35680, 41924, 45872, 52405, 54412, 57340, 68015, 71360, 83848, 91744, 104810, 108824, 114680, 136030, 167696, 183488, 209620, 217648, 229360, 272060, 335392, 419240, 435296, 458720, 544120, 639341, 670784, 838480, 870592, 917440, 1088240, 1278682, 1676960, 2176480, 2557364, 3196705, 3353920, 4352960, 5114728, 6393410, 10229456, 12786820, 20458912, 25573640, 40917824, 51147280, 102294560, 204589120]

約数ペア:

[(1, 204589120), (2, 102294560), (4, 51147280), (5, 40917824), (8, 25573640), (10, 20458912), (16, 12786820), (20, 10229456), (32, 6393410), (40, 5114728), (47, 4352960), (61, 3353920), (64, 3196705), (80, 2557364), (94, 2176480), (122, 1676960), (160, 1278682), (188, 1088240), (223, 917440), (235, 870592), (244, 838480), (305, 670784), (320, 639341), (376, 544120), (446, 458720), (470, 435296), (488, 419240), (610, 335392), (752, 272060), (892, 229360), (940, 217648), (976, 209620), (1115, 183488), (1220, 167696), (1504, 136030), (1784, 114680), (1880, 108824), (1952, 104810), (2230, 91744), (2440, 83848), (2867, 71360), (3008, 68015), (3568, 57340), (3760, 54412), (3904, 52405), (4460, 45872), (4880, 41924), (5734, 35680), (7136, 28670), (7520, 27206), (8920, 22936), (9760, 20962), (10481, 19520), (11468, 17840), (13603, 15040), (14272, 14335)]