38857980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13217}}^1$

素因数の和:13243

約数の個数: 72

約数和(自身を含む): 126575568

約数和(自身を除く): 87717588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 13217, 26434, 39651, 52868, 66085, 79302, 92519, 132170, 158604, 185038, 198255, 264340, 277557, 370076, 396510, 462595, 555114, 647633, 793020, 925190, 1110228, 1295266, 1387785, 1850380, 1942899, 2590532, 2775570, 3238165, 3885798, 5551140, 6476330, 7771596, 9714495, 12952660, 19428990, 38857980]

約数ペア:

[(1, 38857980), (2, 19428990), (3, 12952660), (4, 9714495), (5, 7771596), (6, 6476330), (7, 5551140), (10, 3885798), (12, 3238165), (14, 2775570), (15, 2590532), (20, 1942899), (21, 1850380), (28, 1387785), (30, 1295266), (35, 1110228), (42, 925190), (49, 793020), (60, 647633), (70, 555114), (84, 462595), (98, 396510), (105, 370076), (140, 277557), (147, 264340), (196, 198255), (210, 185038), (245, 158604), (294, 132170), (420, 92519), (490, 79302), (588, 66085), (735, 52868), (980, 39651), (1470, 26434), (2940, 13217)]