27819700

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 63980280

約数和(自身を除く): 36160580

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 53, 58, 100, 106, 116, 145, 181, 212, 265, 290, 362, 530, 580, 724, 725, 905, 1060, 1325, 1450, 1537, 1810, 2650, 2900, 3074, 3620, 4525, 5249, 5300, 6148, 7685, 9050, 9593, 10498, 15370, 18100, 19186, 20996, 26245, 30740, 38372, 38425, 47965, 52490, 76850, 95930, 104980, 131225, 153700, 191860, 239825, 262450, 278197, 479650, 524900, 556394, 959300, 1112788, 1390985, 2781970, 5563940, 6954925, 13909850, 27819700]

約数ペア:

[(1, 27819700), (2, 13909850), (4, 6954925), (5, 5563940), (10, 2781970), (20, 1390985), (25, 1112788), (29, 959300), (50, 556394), (53, 524900), (58, 479650), (100, 278197), (106, 262450), (116, 239825), (145, 191860), (181, 153700), (212, 131225), (265, 104980), (290, 95930), (362, 76850), (530, 52490), (580, 47965), (724, 38425), (725, 38372), (905, 30740), (1060, 26245), (1325, 20996), (1450, 19186), (1537, 18100), (1810, 15370), (2650, 10498), (2900, 9593), (3074, 9050), (3620, 7685), (4525, 6148), (5249, 5300)]