201051920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{379}}^1$

素因数の和:760

約数の個数: 80

約数和(自身を含む): 494760000

約数和(自身を除く): 293708080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 349, 379, 380, 698, 758, 760, 1396, 1516, 1520, 1745, 1895, 2792, 3032, 3490, 3790, 5584, 6064, 6631, 6980, 7201, 7580, 13262, 13960, 14402, 15160, 26524, 27920, 28804, 30320, 33155, 36005, 53048, 57608, 66310, 72010, 106096, 115216, 132271, 132620, 144020, 264542, 265240, 288040, 529084, 530480, 576080, 661355, 1058168, 1322710, 2116336, 2513149, 2645420, 5026298, 5290840, 10052596, 10581680, 12565745, 20105192, 25131490, 40210384, 50262980, 100525960, 201051920]

約数ペア:

[(1, 201051920), (2, 100525960), (4, 50262980), (5, 40210384), (8, 25131490), (10, 20105192), (16, 12565745), (19, 10581680), (20, 10052596), (38, 5290840), (40, 5026298), (76, 2645420), (80, 2513149), (95, 2116336), (152, 1322710), (190, 1058168), (304, 661355), (349, 576080), (379, 530480), (380, 529084), (698, 288040), (758, 265240), (760, 264542), (1396, 144020), (1516, 132620), (1520, 132271), (1745, 115216), (1895, 106096), (2792, 72010), (3032, 66310), (3490, 57608), (3790, 53048), (5584, 36005), (6064, 33155), (6631, 30320), (6980, 28804), (7201, 27920), (7580, 26524), (13262, 15160), (13960, 14402)]