196291280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1451}}^1$

素因数の和:1572

約数の個数: 80

約数和(自身を含む): 486129600

約数和(自身を除く): 289838320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 89, 95, 152, 178, 190, 304, 356, 380, 445, 712, 760, 890, 1424, 1451, 1520, 1691, 1780, 2902, 3382, 3560, 5804, 6764, 7120, 7255, 8455, 11608, 13528, 14510, 16910, 23216, 27056, 27569, 29020, 33820, 55138, 58040, 67640, 110276, 116080, 129139, 135280, 137845, 220552, 258278, 275690, 441104, 516556, 551380, 645695, 1033112, 1102760, 1291390, 2066224, 2205520, 2453641, 2582780, 4907282, 5165560, 9814564, 10331120, 12268205, 19629128, 24536410, 39258256, 49072820, 98145640, 196291280]

約数ペア:

[(1, 196291280), (2, 98145640), (4, 49072820), (5, 39258256), (8, 24536410), (10, 19629128), (16, 12268205), (19, 10331120), (20, 9814564), (38, 5165560), (40, 4907282), (76, 2582780), (80, 2453641), (89, 2205520), (95, 2066224), (152, 1291390), (178, 1102760), (190, 1033112), (304, 645695), (356, 551380), (380, 516556), (445, 441104), (712, 275690), (760, 258278), (890, 220552), (1424, 137845), (1451, 135280), (1520, 129139), (1691, 116080), (1780, 110276), (2902, 67640), (3382, 58040), (3560, 55138), (5804, 33820), (6764, 29020), (7120, 27569), (7255, 27056), (8455, 23216), (11608, 16910), (13528, 14510)]