28139880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{234499}}^1$

素因数の和:234513

約数の個数: 32

約数和(自身を含む): 84420000

約数和(自身を除く): 56280120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 234499, 468998, 703497, 937996, 1172495, 1406994, 1875992, 2344990, 2813988, 3517485, 4689980, 5627976, 7034970, 9379960, 14069940, 28139880]

約数ペア:

[(1, 28139880), (2, 14069940), (3, 9379960), (4, 7034970), (5, 5627976), (6, 4689980), (8, 3517485), (10, 2813988), (12, 2344990), (15, 1875992), (20, 1406994), (24, 1172495), (30, 937996), (40, 703497), (60, 468998), (120, 234499)]