28970860

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 62741952

約数和(自身を除く): 33771092

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 151, 181, 212, 265, 302, 362, 530, 604, 724, 755, 905, 1060, 1510, 1810, 3020, 3620, 8003, 9593, 16006, 19186, 27331, 32012, 38372, 40015, 47965, 54662, 80030, 95930, 109324, 136655, 160060, 191860, 273310, 546620, 1448543, 2897086, 5794172, 7242715, 14485430, 28970860]

約数ペア:

[(1, 28970860), (2, 14485430), (4, 7242715), (5, 5794172), (10, 2897086), (20, 1448543), (53, 546620), (106, 273310), (151, 191860), (181, 160060), (212, 136655), (265, 109324), (302, 95930), (362, 80030), (530, 54662), (604, 47965), (724, 40015), (755, 38372), (905, 32012), (1060, 27331), (1510, 19186), (1810, 16006), (3020, 9593), (3620, 8003)]