42751380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{101789}}^1$

素因数の和:101808

約数の個数: 48

約数和(自身を含む): 136805760

約数和(自身を除く): 94054380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 101789, 203578, 305367, 407156, 508945, 610734, 712523, 1017890, 1221468, 1425046, 1526835, 2035780, 2137569, 2850092, 3053670, 3562615, 4275138, 6107340, 7125230, 8550276, 10687845, 14250460, 21375690, 42751380]

約数ペア:

[(1, 42751380), (2, 21375690), (3, 14250460), (4, 10687845), (5, 8550276), (6, 7125230), (7, 6107340), (10, 4275138), (12, 3562615), (14, 3053670), (15, 2850092), (20, 2137569), (21, 2035780), (28, 1526835), (30, 1425046), (35, 1221468), (42, 1017890), (60, 712523), (70, 610734), (84, 508945), (105, 407156), (140, 305367), (210, 203578), (420, 101789)]