28500220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:259

約数の個数: 96

約数和(自身を含む): 73156608

約数和(自身を除く): 44656388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 53, 70, 92, 106, 115, 140, 161, 167, 212, 230, 265, 322, 334, 371, 460, 530, 644, 668, 742, 805, 835, 1060, 1169, 1219, 1484, 1610, 1670, 1855, 2338, 2438, 3220, 3340, 3710, 3841, 4676, 4876, 5845, 6095, 7420, 7682, 8533, 8851, 11690, 12190, 15364, 17066, 17702, 19205, 23380, 24380, 26887, 34132, 35404, 38410, 42665, 44255, 53774, 61957, 76820, 85330, 88510, 107548, 123914, 134435, 170660, 177020, 203573, 247828, 268870, 309785, 407146, 537740, 619570, 814292, 1017865, 1239140, 1425011, 2035730, 2850022, 4071460, 5700044, 7125055, 14250110, 28500220]

約数ペア:

[(1, 28500220), (2, 14250110), (4, 7125055), (5, 5700044), (7, 4071460), (10, 2850022), (14, 2035730), (20, 1425011), (23, 1239140), (28, 1017865), (35, 814292), (46, 619570), (53, 537740), (70, 407146), (92, 309785), (106, 268870), (115, 247828), (140, 203573), (161, 177020), (167, 170660), (212, 134435), (230, 123914), (265, 107548), (322, 88510), (334, 85330), (371, 76820), (460, 61957), (530, 53774), (644, 44255), (668, 42665), (742, 38410), (805, 35404), (835, 34132), (1060, 26887), (1169, 24380), (1219, 23380), (1484, 19205), (1610, 17702), (1670, 17066), (1855, 15364), (2338, 12190), (2438, 11690), (3220, 8851), (3340, 8533), (3710, 7682), (3841, 7420), (4676, 6095), (4876, 5845)]