28353180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{947}}^1$

素因数の和:1458

約数の個数: 48

約数和(自身を含む): 79632000

約数和(自身を除く): 51278820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 499, 947, 998, 1497, 1894, 1996, 2495, 2841, 2994, 3788, 4735, 4990, 5682, 5988, 7485, 9470, 9980, 11364, 14205, 14970, 18940, 28410, 29940, 56820, 472553, 945106, 1417659, 1890212, 2362765, 2835318, 4725530, 5670636, 7088295, 9451060, 14176590, 28353180]

約数ペア:

[(1, 28353180), (2, 14176590), (3, 9451060), (4, 7088295), (5, 5670636), (6, 4725530), (10, 2835318), (12, 2362765), (15, 1890212), (20, 1417659), (30, 945106), (60, 472553), (499, 56820), (947, 29940), (998, 28410), (1497, 18940), (1894, 14970), (1996, 14205), (2495, 11364), (2841, 9980), (2994, 9470), (3788, 7485), (4735, 5988), (4990, 5682)]