127993820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{3023}}^1$

素因数の和:3134

約数の個数: 48

約数和(自身を含む): 281957760

約数和(自身を除く): 153963940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 290, 292, 365, 580, 730, 1460, 2117, 3023, 4234, 6046, 8468, 10585, 12092, 15115, 21170, 30230, 42340, 60460, 87667, 175334, 220679, 350668, 438335, 441358, 876670, 882716, 1103395, 1753340, 2206790, 4413580, 6399691, 12799382, 25598764, 31998455, 63996910, 127993820]

約数ペア:

[(1, 127993820), (2, 63996910), (4, 31998455), (5, 25598764), (10, 12799382), (20, 6399691), (29, 4413580), (58, 2206790), (73, 1753340), (116, 1103395), (145, 882716), (146, 876670), (290, 441358), (292, 438335), (365, 350668), (580, 220679), (730, 175334), (1460, 87667), (2117, 60460), (3023, 42340), (4234, 30230), (6046, 21170), (8468, 15115), (10585, 12092)]