490079661640

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^2\times {\mathrm{373981}}^1$

素因数の和:374354

約数の個数: 48

約数和(自身を含む): 1108808012340

約数和(自身を除く): 618728350700

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 32761, 65522, 131044, 163805, 262088, 327610, 373981, 655220, 747962, 1310440, 1495924, 1869905, 2991848, 3739810, 7479620, 14959240, 67690561, 135381122, 270762244, 338452805, 541524488, 676905610, 1353811220, 2707622440, 12251991541, 24503983082, 49007966164, 61259957705, 98015932328, 122519915410, 245039830820, 490079661640]

約数ペア:

[(1, 490079661640), (2, 245039830820), (4, 122519915410), (5, 98015932328), (8, 61259957705), (10, 49007966164), (20, 24503983082), (40, 12251991541), (181, 2707622440), (362, 1353811220), (724, 676905610), (905, 541524488), (1448, 338452805), (1810, 270762244), (3620, 135381122), (7240, 67690561), (32761, 14959240), (65522, 7479620), (131044, 3739810), (163805, 2991848), (262088, 1869905), (327610, 1495924), (373981, 1310440), (655220, 747962)]