191820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 564480

約数和(自身を除く): 372660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 139, 230, 276, 278, 345, 417, 460, 556, 690, 695, 834, 1380, 1390, 1668, 2085, 2780, 3197, 4170, 6394, 8340, 9591, 12788, 15985, 19182, 31970, 38364, 47955, 63940, 95910, 191820]

約数ペア:

[(1, 191820), (2, 95910), (3, 63940), (4, 47955), (5, 38364), (6, 31970), (10, 19182), (12, 15985), (15, 12788), (20, 9591), (23, 8340), (30, 6394), (46, 4170), (60, 3197), (69, 2780), (92, 2085), (115, 1668), (138, 1390), (139, 1380), (230, 834), (276, 695), (278, 690), (345, 556), (417, 460)]