29208020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 63277200

約数和(自身を除く): 34069180

約数列:

[1, 2, 4, 5, 10, 20, 61, 89, 122, 178, 244, 269, 305, 356, 445, 538, 610, 890, 1076, 1220, 1345, 1780, 2690, 5380, 5429, 10858, 16409, 21716, 23941, 27145, 32818, 47882, 54290, 65636, 82045, 95764, 108580, 119705, 164090, 239410, 328180, 478820, 1460401, 2920802, 5841604, 7302005, 14604010, 29208020]

約数ペア:

[(1, 29208020), (2, 14604010), (4, 7302005), (5, 5841604), (10, 2920802), (20, 1460401), (61, 478820), (89, 328180), (122, 239410), (178, 164090), (244, 119705), (269, 108580), (305, 95764), (356, 82045), (445, 65636), (538, 54290), (610, 47882), (890, 32818), (1076, 27145), (1220, 23941), (1345, 21716), (1780, 16409), (2690, 10858), (5380, 5429)]